Major Land Resource Area 048A
Southern Rocky Mountains
Accessed: 10/07/2024
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2
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Ecological site list
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i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly very channery loam and rock content in the top 24" is greater than 35% by volume.
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Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly gravelly sandy loam with current or past evidence of trees occupying the site
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Parent material sandstone, and/or siltstone; surface texture is loam, sandy loam, channery loam, or very gravelly loam
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site not as above
- Site not as above
- Family particle size is loamy
- Parent material sandstone, and/or siltstone; surface texture is loam, sandy loam, channery loam, or very gravelly loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Family particle size is clayey-skeletal
- Precipitation is 20-30 inches; parent material is igneous, metamorphic rock, sedimentary rock; sandstone and shale, diorite and or rhyolite; surface texture is loam, stony loam, very stony loam, cobbly loam, gravelly loam or very cobbly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-30 inches; parent material is igneous, metamorphic rock, sedimentary rock; sandstone and shale, diorite and or rhyolite; surface texture is loam, stony loam, very stony loam, cobbly loam, gravelly loam or very cobbly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Family particle size is fine
- Precipitation is 20-30 inches; parent material is igneous, metamorphic rock, sedimentary rock; sandstone and shale, diorite and or rhyolite; surface texture is loam, stony loam, very stony loam, cobbly loam, gravelly loam or very cobbly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Precipitation is 20-30 inches; parent material is igneous, metamorphic rock, sedimentary rock; sandstone and shale, diorite and or rhyolite; surface texture is loam, stony loam, very stony loam, cobbly loam, gravelly loam or very cobbly loam
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i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly channery/very channery loam with past or present evidence of tree occupying the site
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i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly very cobbly very fine sandy loam to stony loam with past or present evidence of trees occupying the site
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i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically greater than 50%
- Surface soil texture sandy loam with past/present evidence of trees occupying the site
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i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil textures mainly extremely stony loam to extremely boulder fine sandy loam with slopes typically greater than 50% and past/present evidence of trees occupying the site
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Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally less than 30%
- Soil depth is generally moderately deep to deep (20-60”) with gravels on the surface less than 15% by volume
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Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally less than 50% by volume
- Surface soil texture is finer (loam to fine sandy loam)
- Rock fragments on the soil surface are generally less than 15%.
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i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally greater than 50% by volume
- Surface textures are generally fine sandy loam to gravelly sandy loam with surface rock fragments less than 10%.
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i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally greater than 50% by volume
- Surface textures are generally gravelly or cobbly loam with surface rock fragments greater than 10%
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i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally less than 50% by volume
- Soil epipedon is generally pachic (mollic and greater than 20” thick)
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Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally less than 50% by volume
- Surface soil texture is coarse (very stony or bouldery)
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i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally greater than 30%
- Rock fragments in the top 24” generally less than 50% by volume
- Surface soil texture is finer (loam to fine sandy loam)
- Rock fragments on the soil surface are generally greater than 15%.
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is granite, sandstone and shale, volcanic rock, gneiss, mica schist, or sandstone; surface textures is loam, very gravelly sandy loam, very stony sandy loam, stony sandy loam, stony loam, very stony loam, very cobbly loam, or gravelly fine sandy loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Precipitation is 20-40 inches; parent material is granite, sandstone and shale, volcanic rock, gneiss, mica schist, or sandstone; surface textures is loam, very gravelly sandy loam, very stony sandy loam, stony sandy loam, stony loam, very stony loam, very cobbly loam, or gravelly fine sandy loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface
- Site not as above
- Family particle size is clayey-skeletal
- Precipitation is 20-30 inches; parent material is shale and/or sandstone; surface texture is very gravelly loam, fine sandy loam or cobbly fine sandy loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Precipitation is 20-30 inches; parent material is shale and/or sandstone; surface texture is very gravelly loam, fine sandy loam or cobbly fine sandy loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Family particle size is clayey-skeletal
- Precipitation is 20-30 inches; parent material is shale and/or sandstone; surface texture is very gravelly loam, fine sandy loam or cobbly fine sandy loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-30 inches; parent material is shale and/or sandstone; surface texture is very gravelly loam, fine sandy loam or cobbly fine sandy loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is volcanic breccia; surface texture is cobbly ashy loam, cobbly ashy silt loam or cobbly loam
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Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is volcanic breccia or sandstone; surface textures is stony loam, stony ashy loam, or cobbly ashy loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Family particle size is clayey-skeletal
- Precipitation is 20-40 inches; parent material is igneous rock, metamorphic rock, sedimentary rock, sandstone and shale and/or volcanic breccia; surface texture is very cobbly sandy loam, very gravelly sandy loam very stony sandy loam, very cobbly fine sandy loam, stony fine sandy loam, loam, cobbly loam or gravelly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is igneous rock, metamorphic rock, sedimentary rock, sandstone and shale and/or volcanic breccia; surface texture is very cobbly sandy loam, very gravelly sandy loam very stony sandy loam, very cobbly fine sandy loam, stony fine sandy loam, loam, cobbly loam or gravelly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Precipitation is 20-40 inches; parent material is igneous rock, metamorphic rock, sedimentary rock, sandstone and shale and/or volcanic breccia; surface texture is very cobbly sandy loam, very gravelly sandy loam very stony sandy loam, very cobbly fine sandy loam, stony fine sandy loam, loam, cobbly loam or gravelly loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is volcanic breccia; surface textures is very stony ashy loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20-40 inches; parent material is volcanic breccia or tuff; surface textures is stony ashy loam or cobbly loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35%
- Site not as above
- Family particle size is Loamy-skeletal
- Precipitation is 20 to 25 inches; parent material is sandstone and shale, andesite, or sedimentary rock; surface texture is very stony loam, loam, clay loam, stony sandy clay loam, or very stony sandy loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Precipitation is 20 to 25 inches; parent material is sandstone and shale, andesite, or sedimentary rock; surface texture is very stony loam, loam, clay loam, stony sandy clay loam, or very stony sandy loam
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Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Parent material sandstone and/or shale. Surface texture is loam, clay loam, very stony loam, cobbly loam, sandy loam, cobbly sandy loam, very bouldery sandy loam, or fine sandy loam
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Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Located in the Gunnison Basin
- Parent material is rhyolite, granite volcanic rock, sedimentary rock, igneous and/or metamorphic rock; surface texture is loam or gravelly sandy loam
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Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine-loamy
- Located in the Gunnison Basin
- Parent material is rhyolite, sedimentary rock, or granite; soil surface textures is gravelly sandy loam or fine sandy loam
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Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site is located in the Gunnison Basin
- Parent material is granite, gneiss, family particle size is loamy; soil surface texture is very gravely loam, very gravelly sandy loam or gravelly loam
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Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has perennial water table 0-24 inches in depth; soil depth is greater 40 inches; family particle size is fine-loamy or fine
- Site located in the Gunnison Basin
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site not as above
- Site located in the Gunnison Basin
- Water table 60 inches or greater in depth and seasonally in early spring; family particle size is fine-loamy
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Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Located on the western slope in Colorado around the Grand Mesa to the North/West part of the San Juan Mountains and the Gunnison Basin (Shale Highlands LRU); parent material is Mancos/ Wasatch shale and/or siltstone; surface texture is clay loam, silty clay loam or loam
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Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Located in Gunnison Basin; precipitation is 20-30 inches; parent materials andesite, rhyolite or sandstone and shale; surface texture is loam
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Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 20-30”; Elevation is 9,000 ft or higher – Subalpine climate zone
- Parent material basalt; soils depth is greater than 60 inches; family particle size can be fine, fine-loamy or loamy-skeletal
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Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above
- Fine family particle size
- Site not as above
- Parent material is basalt, igneous rock, metamorphic rock, sandstone, shale, or other sedimentary rock, soil depth greater than 40 inches
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above
- Site not as above
- Site is fine-loamy family particle size
- Parent material is basalt, igneous rock, metamorphic rock, sandstone, shale, or other sedimentary rock, soil depth greater than 40 inches
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i
Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site not as above
- Site in landscape position that receives run-in water, no water table present in 6 feet; family particle size is fine-loamy or fine
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i
Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Soils are skeletal (greater than 35% rock fragments)
- Family particle size – clayey-skeletal
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i
Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Parent material is not shale
- Soils are skeletal (greater than 35% rock fragments)
- Parent material basalt, volcanic rock and metamorphic rock; family particle size is clayey-skeletal or loamy-skeletal
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Key Characteristics
- Site receives extra water beyond normal precipitation through high water table and/or run-in water
- Water table depth is generally 50 inches or greater below the surface and soils are loamy skelatal (>35% rock fragment)
- Soil sub-surface gravel volume is generally greater than 30% and dominant tree is narrowleaf cottonwood
- Soil sub-surface gravel volume is generally greater than 30% and dominant tree is narrowleaf cottonwood
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Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has water table 0-36 inches in depth, soil depth is > 60 inches; family particle size is fine or fine loamy
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Key Characteristics
- Site receives extra water beyond normal precipitation through high water table and/or run-in water
- Water table depth is generally 50 inches or greater below the surface and soils are loamy skelatal (>35% rock fragment)
- Soil sub-surface gravel volume is generally greater than 30% and dominant tree is narrowleaf cottonwood
- Soil sub-surface gravel volume is less than 10% and the dominant tree is water birch
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Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Parent material is shale
- Family particle size is fine
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above
- Fine family particle size
- Parent material is shale, soil depth 20-40 inches
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i
Key Characteristics
- Site receives extra water beyond normal precipitation through high water table and/or run-in water
- Water table depth is generally 50 inches or greater below the surface and soils are loamy skelatal (>35% rock fragment)
- Dominant aspect of this site is shrubs
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i
Key Characteristics
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Parent material is shale
- Site not as above
- Family particle size is loamy
- Located in LRU RM-1. These sites are found on the east side of Sangre de Cristo mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is usually 16-20 inches (precipitation can range from 15 to 25 with aspect differences); elevation is approximately 7,000 to 9,000 feet.– Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Parent material is not shale
- Site not as above
- Parent material sandstone, shale, basalt and limestone family particle size is loamy
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Key Characteristics
- Site receives extra water beyond normal precipitation through high water table and/or run-in water
- Water table depth is generally 50 inches or greater below the surface and soils are loamy skelatal (>35% rock fragment)
- Dominant aspect of this site is shrub
- Site dominated by willows, soil profile is fine loamy (low rock content, 18-35% clay)
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Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site has greater than 35% rock fragments
- site not as above
- Family particle size is loamy-skeletal; parent material is igneous rock and/or metamorphic rock
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above; less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Parent material is igneous rock and/or metamorphic rock, soil surface texture is gravelly loam, soil depth greater than 60 inches
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Family particle size is clayey
- Site not as above
- Parent material - igneous rock and/or metamorphic rock
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site has greater than 35% rock fragments
- Family particle size is clayey-skeletal; parent material is igneous rock and/or metamorphic rock
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i
Key Characteristics
- Site receives extra water beyond normal precipitation through high water table and/or run-in water
- Water table depth is generally 50 inches or greater below the surface and soils are loamy skelatal (>35% rock fragment)
- Dominant aspect of this site is shrub
- Site dominated by willow, and soil profile is coarse loamy (<35% rock fragments)
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 25-40”; approximately 9,000 to 12,000 feet in elevation – Subalpine climate zone
- Soils depth is greater than 60 inches; family particle size is loamy-skeletal; parent material, rhyolite, granite, gneiss, volcanic rock metamorphic
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site has greater than 35% rock fragments
- site not as above
- Site not as above
- Family particle size is loamy-skeletal; parent material is rhyolite, tuff, sandstone and/or shale
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above; less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is rhyolite, tuff, sandstone and/or shale; soil surface texture is loam or silt loam, soil depth greater than 60 inches
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above; less than 35% rock fragments
- Family particle size is fine; parent material is sandstone and/or shale
- Surface texture is loam and soil depth is greater than 20 inches
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site not as above
- Site in landscape position and receives run-in water, no water table present in 6 feet; family particle size –fine; parent material - shale
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site has bedrock within 20 inches of the soil surface
- Family particle size is clayey
- Parent material – sandstone and/or shale
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives no extra water beyond normal precipitation
- Precipitation is 16-25”; approximately 7,000 to 9,000 feet in elevation Mountain climate zone
- Site not as above - soil depth is greater than 20 inches
- Site not as above; less than 35% rock fragments
- Family particle size is fine; parent material is sandstone and/or shale
- Site not as above
- Surface texture clay loam or channery clay loam; soils are 20-40 inches in depth
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i
Key Characteristics
- Located in LRU RM-2. These sites are found on the west side of Sangre de Cristo mountains, Tusas Mountains (southern San Juan mountains) and Jemez Mountains.
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has water table 0-60 inches in depth, soil depth is greater than 60 inches; family particle size is fine or fine loamy
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i
Key Characteristics
- Precipitation is 16-20 inches; site has no water table or receives run-in moisture; family particle size is fine-loamy; surface texture is loam, clay loam, sandy clay loam or gravelly loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site is loamy-skeletal
- Parent material is monzonite, granite, gneiss and/or granodiorite; surface soil textures is very gravelly sandy loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is granite, gneiss, schist, sandstone, shale, igneous rock and/or metamorphic rock, surface texture is loam or sandy loam, slope 0-30%
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Site is located in the Wescliffe area, parent material is alluvium, colluvium and eolian materials; soil surface is sandy loam or gravelly sandy loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sandstone, shale, igneous rock, metamorphic rock, schist, and/or granite. Surface texture is loam, sandy loam, gravelly sandy loam or silt loam; 0-30% slope
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site is loamy-skeletal
- Parent material is granite, gneiss, phyllite, schist, sandstone and/or limestone; Soil surface texture is gravelly sandy loam, channery loam or fine sandy loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Family particle size is loamy
- Parent material is tachylyte, volcanic breccia, igneous rock, tuff, granite, gneiss and/or sandstone; surface soil textures isgravelly sandy loam, channery loam, or fine sandy loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site is loamy-skeletal
- Parent material is tachylyte, volcanic breccia, igneous rock, tuff, granite, gneiss and/or sandstone; surface soil textures isgravelly sandy loam, channery loam, or fine sandy loam
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sedimentary rock, basalt or sandstone; soil surface texture is loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Parent material sandstone and shale; surface texture is loam, clay loam, or very cobbly loam
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Family particle size is clayey
- Parent material sandstone and/or shale; surface texture is channery loam, very channery loam, flaggy clay loam, channery silty clay loam, sandy loam, or gravelly coarse sandy loam
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Parent material sandstone and/or shale; surface texture is channery loam, very channery loam, flaggy clay loam, channery silty clay loam, sandy loam, or gravelly coarse sandy loam
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site not as above
- Site not as above
- Family particle size is loamy
- Parent material sandstone and/or shale; surface texture is channery loam, very channery loam, flaggy clay loam, channery silty clay loam, sandy loam, or gravelly coarse sandy loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Parent material is basalt, sandstone, till, outwash, schist, granite, gneiss, igneous and/or metamorphic rock; soil surface texture is stony loam, extremely stony loam, cobbly loam, very stony loam, cobbly sandy loam or very cobbly sandy loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site not as above
- Family particle size is clayey-skeletal
- Parent material is sandstone and/or shale; surface texture is loam or clay loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Parent material is sandstone and/or shale; surface texture is loam or clay loam
-
i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site not as above
- Family particle size is clayey-skeletal
- Parent material is igneous, metamorphic and sedimentary rock; surface texture is very gravelly sandy clay loam, very stony loam or gravelly loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Parent material is igneous, metamorphic and sedimentary rock; surface texture is very gravelly sandy clay loam, very stony loam or gravelly loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is igneous, metamorphic and/or sedimentary rock; surface texture is very gravelly sandy clay loam, very stony loam or gravelly loam; 3-50% slope
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site is loamy-skeletal
- Parent material is volcanic breccia, granite, gneiss, sandstone, and/or granodiorite; surface soil textures is very gravelly sandy loam, gravelly sandy loam, or very gravelly loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has perennial water table 0-24 inches in depth; soil depth is greater 40 inches; family particle size is fine-loamy or fine
- Site not as above
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sandstone and shale; soil surface texture is loam
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has water table 12-72 inches in depth; soil depth is greater than 60 inches; family particle size is fine loamy; soil surface texture is loam
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i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Family particle size is fine
- Parent material is sandstone and shale; surface texture is a loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site not as above
- Site not as above
- Site in landscape position that receives run-in water; 60 inches or greater in depth; no water table present in 6 feet; family particle size – fine-loamy
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Not located in Shale Highland LRU (Grand Mesa to the North/West part of the San Juan Mountains and the Gunnison Basin); Parent material is shale, igneous rock, metamorphic rock and/or sedimentary rock, surface texture is clay loam, loam, or silt loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Parent material is shale, sandstone and/or siltstone; surface texture is clay loam, loam, gravelly loam, or silty clay loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Site not as above
- Family particle size is fine-loamy
- Site not in the Gunnison Basin; parent material is sandstone, shale, volcanic rock, or igneous, metamorphic and sedimentary rock; surface texture is loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface
- Family particle size is loamy
- Precipitation is 20-30 inches; Parent material is sandstone, shale; basalt, andesite, tuff breccia and/or rhyolite; surface texture – loam, channery loam, sandy loam, extremely stony loam, gravelly silt loam or gravelly loam
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface
- Site not as above
- Site not as above
- Family particle size is loamy-skeletal
- Precipitation is 20-30 inches; Parent material is sandstone, shale; basalt, andesite, tuff breccia and/or rhyolite; surface texture – loam, channery loam, sandy loam, extremely stony loam, gravelly silt loam or gravelly loam
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i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives no extra water beyond normal precipitation
- Not as above, site is greater than 20 inches in depth to bedrock
- Site is not as above, rock fragments less than 35%
- Family particle size is fine
- Precipitation is 20-30 inches; parent material is sandstone and shale; or igneous, metamorphic and sedimentary rock; surface texture is loam, clay loam or silt loam
-
i
Key Characteristics
- Precipitation 20-40 inches (ustic udic and typic udic); cryic temperature regime; below tree-line; approximately 8,000 – 10,000 feet in elevation - Subalpine Climate zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site occurs on the Grand Mesa; precipitation is 37-45 inches; Site in landscape position and receives run-in water; 20 inches or greater in depth; no water table present in 6 feet; family particle size is fine-loamy, clayey-skeletal or loamy-skeletal; soil surface texture is loam or gravelly loam
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site not as above
- Site occurs on the Grand Mesa; precipitation is 37-45 inches; Site in landscape position and receives run-in water; 20 inches or greater in depth; no water table present in 6 feet; family particle size is fine-loamy, clayey-skeletal or loamy-skeletal; soil surface texture is loam or gravelly loam
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i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Family particle size is loamy
- Parent material is sandstone, shale, siltstone, igneous rock and/or metamorphic rock; surface texture is loam, gravelly loam, cobbly loam, stony loam, channery sandy loam, gravelly fine sandy loam, sandy loam, or fine sandy loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site is loamy-skeletal
- Parent material is sandstone, shale, siltstone, igneous rock and/or metamorphic rock; surface texture is loam, gravelly loam, cobbly loam, stony loam, channery sandy loam, gravelly fine sandy loam, sandy loam, or fine sandy loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Family particle size is fine-silty
- Parent material is sandstone, shale, siltstone, igneous rock and/or metamorphic rock; surface texture is loam, gravelly loam, cobbly loam, stony loam, channery sandy loam, gravelly fine sandy loam, sandy loam, or fine sandy loam
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sandstone, shale, siltstone, igneous rock and/or metamorphic rock; surface texture is loam, gravelly loam, cobbly loam, stony loam, channery sandy loam, gravelly fine sandy loam, sandy loam, or fine sandy loam; 0-30% slope
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Parent material is sandstone, shale, siltstone, igneous rock and/or metamorphic rock; surface texture is loam, gravelly loam, cobbly loam, stony loam, channery sandy loam, gravelly fine sandy loam, sandy loam, or fine sandy loam
-
i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine
- Parent material is shale and/or sandstone; surface textures is clay loam or loam
-
i
Key Characteristics
- Precipitation 9-12 inches(ustic bordering on aridic moisture regime); frigid temperature regime; approximately 6,000-8,000 feet in elevation – Semidesert climate zone
- No water table or run-in moisture; soil depth is 20-40 inches; family particle size is fine-loamy; soil surface is sandy loam
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is coarse-loamy.
- Parent material is alluvium; surface textures is sandy loam, gravelly sandy loam, or gravelly loam
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Family particle size is loamy-skeletal
- Site occurs as long narrow belts on fan terraces, alluvial fans and glacial outwash plains adjacent to the Arkansas River
- Parent material is outwash and alluvium; surface texture is stony sandy loam or very gravelly loamy sand
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site is not as above
- Site in landscape position and receives run-in water, no water table in 6 feet; family particle size is fine-loamy; soil surface texture is loam, sandy loam, clay loam or gravelly sandy clay loam
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Family particle size is loamy-skeletal
- Site not as above
- Parent material is basalt, sandstone, and/or shale; soil surface is stony sandy loam, gravelly sandy loam, very cobbly loam, or very stony sandy loam; slope is 3-30%
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sandstone and shale, or basalt; soil surface texture is loam, very channery loam, or sandy clay loam
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Family particle size is loamy-skeletal
- Site not as above
- Parent material shale, sandstone, and/or basalt, surface texture is cobbly sandy loam, cobbly loam, very flaggy loam or channery loam; slope is 25-65%
-
i
Key Characteristics
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives no extra water beyond normal precipitation
- Not as above, Site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35% and family particle size is loamy-skeletal
- Slopes is 30-60%
- Parent material is monzonite, diorite, conglomerate, rhyolite, volcanic rock sandstone, granite, gneiss, schist, andesite, tuffigneous rock and/or metamorphic rock; Surface texture is very gravelly loam, gravelly loam, extremely gravelly loam, very cobbly loam, extremely cobbly loam, very stony loam, or extremely stony sandy loam; 30-60% slopes
-
i
Key Characteristics
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives extra water beyond normal precipitation through high water table, riparian area, or run-in water
- Site has perennial water table 0-12 inches in depth; soil depth is greater than 60 inches; soil surface texture is loam, cobbly loam or silt loam
-
i
Key Characteristics
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives no extra water beyond normal precipitation
- Not as above, Site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35% and family particle size is loamy-skeletal
- 0-30% slopes
- Parent material is colluvium, till, basalt, rhyolite, tuff, volcanic breccia, and/or andesite; soil surface texture is very gravelly loam, cobbly loam, stony loam, or gravelly silt loam
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i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 35% rock fragments by volume
- Surface soil texture mainly loam, may have a gravelly modifier, has less than 10% rock fragments on the soils surface
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site has bedrock within 20 inches of the soil surface (shallow soil)
- Site not as above
- Site not as above
- Site not as above
- Family particle size is loamy
- Parent material limestone or sandstone; surface texture is sandy loam or gravelly sandy loam
-
i
Key Characteristics
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives no extra water beyond normal precipitation
- Site have bedrock within 20 inches of the soil surface
- Family particle size is loamy or loamy-skeletal; Surface texture is very gravelly loam, very stony loam, very cobbly loam, very stony sandy loam, very cobbly sandy loam, loam or very cobbly silt loam
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 35% rock fragments by volume
- Surface soil texture mainly loam to silty clay loam, may have a gravelly modifier, has less than 10% rock fragments on the soils surface
-
i
Key Characteristics
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives no extra water beyond normal precipitation
- Not as above, Site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35% and family particle size is loamy-skeletal
- 0-30% slopes
- Parent material rhyolite, tuff, volcanic rock and/or sandstone; soil surface texture is very gravelly loam, loam, or very stony sandy loam; 10-60% slopes
- Precipitation is 30-50 inches (Typic Udic); cryic temperature regime; above tree-line; approximately 10,000-14,440 feet in elevation - Alpine Climate Zone
- Site receives no extra water beyond normal precipitation
- Not as above, Site is greater than 20 inches in depth to bedrock
- Rock fragments greater than 35% and family particle size is loamy-skeletal
- Slopes is 30-60%
- Parent material rhyolite, tuff, volcanic rock and/or sandstone; soil surface texture is very gravelly loam, loam, or very stony sandy loam; 10-60% slopes
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface soil textures are fine gravelly silty clay loam to gravelly loam and rock content is generally less than 35% of the soil volume
-
i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Family particle size is sandy-skeletal
- Parent material is alluvium and outwash; surface texture is gravelly sandy loam or stony sandy loam
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 35% rock fragments by volume
- Surface soil texture mainly channery fine sandy loam (surface fragments 10-30%).
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 35% rock fragments by volume
- Surface soil texture mainly loamy sand are excessively drained on alluvial fans
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly clay loam
-
i
Key Characteristics
- Precipitation is 12-16 inches (aridic bordering on ustic moisture regime); frigid temperature regime; approximately 7,000 -8,500 feet in elevation - Dry Mountain/foothills/ climate zone (Note: This climate zone is called Upland in Utah sites.)
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Soils are skeletal soils (greater than 35% rock fragments)
- Site is not loamy-skeletal family particle size
- Family particle size is sandy-skeletal, soil surface texture is generally a gravelly sandy loam; site occurs on fan terraces and alluvial fans
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly channery or gravelly sandy loam (surface fragments 10-30% by volume)
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly very channery loam (surface fragments 10-30% by volume)
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface soil textures are predominately gravelly loam on outwash terraces (surface fragments 10-30%).
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 35% rock fragments by volume
- Surface soil texture mainly channery/extremely channery loam (surface fragments 10-60%).
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly gravelly fine sandy loam (surface fragments 10-40% by volume)
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 35% rock fragments by volume
- Surface soil texture mainly channery or bouldery sandy loam (surface fragments greater than 35%).
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are channery loam with slopes greater than 35%
-
i
Key Characteristics
- 12" - 16" annual precipitation. Up to 20" on south and west slopes or soils with poor water holding capacity, site is too dry to support gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface soil texture mainly very channery loam (surface fragments 20-70%) with slopes greater than 35%.
-
-
i
Key Characteristics
- Precipitation 16-20 inches (typic ustic moisture regime); frigid or cryic temperature regime; approximately 7,000-9,000 feet in elevation – Mountains climate zone
- Site receives no extra water beyond normal precipitation
- Site not as above, site is greater than 20 inches to bedrock
- Site not as above, soils are non-skeletal (less than 35% rock fragments
- Site not as above
- Family particle size is fine-loamy
- Site not as above
- Parent material is sandstone; surface texture is cobbly fine sandy loam; slope is 25-75%
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site not as above
- Surface soil texture mainly loam, fine sandy loam to cobbly fine sandy loam
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site not as above
- Surface soil texture mainly gravelly fine sandy loam
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site not as above
- Surface soil texture mainly stony to clay loam with the dominant aspect of the site being a grass
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site occurs in area that receive additional moisture from adjacent upland sites
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site not as above
- Surface soil texture mainly loam to stony loam with the past/present evidence of Gambel’s oak as the dominant aspect of the site
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically less than 50%
- Site not as above
- Present or past evidence that trees dominated this site
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are loam with Gambel’s oak likely the dominant aspect of the site
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly very gravelly loam (gravels 10-30% by volume)
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface soil textures are predominately fine sandy loam, but have a gravel modifier as well
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly cobbly loam (rocks 3-10” 10-20% of by volume)
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer 20” or less from the soil surface
- Surface textures are mostly channery loam with current or past evidence of trees occupying the site
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly loam to very fine sandy loam
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly sandy loam to gravelly sandy loam and does not have rock fragments greater than 3” on the soil surface
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly gravelly sandy loam to loam, has less than 10% rock fragments on the soils surface greater than 3”
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically greater than 50%
- Surface soil textures mainly fine sandy loam to loam with past/present evidence of Gambel’s oak on the site
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically greater than 50%
- Surface soil textures mainly stony/extremely stony loam, to very channery loam
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains less than 50% rock fragments by volume
- Slopes on site typically greater than 50%
- Surface soil textures are mainly very channery loam and rock fragment on the soil surface is larger than 3”
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil textures mainly gravelly sandy loam with slopes generally greater than 50%
-
i
Key Characteristics
- 16" - 22" annual precipitation (except some south and west slopes or soils with poor water holding capacity), adjacent areas are capable of supporting gambel oak
- Generally restrictive layer greater than 20” from the soil surface
- Top 24” of soil profile generally contains greater than 50% rock fragments by volume
- Surface soil texture mainly extremely boulder fine sandy loam or very channery loam
-
i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally less than 30%
- Surface soil texture loam to silt loam and soil profile contains greater than 10% rock fragment by volume
-
i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally less than 30%
- Soil depth is generally moderately deep (20-40”) and are generally associated/adjacent to aspen sites dominated by herbaceous species
-
i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally less than 30%
- Surface soil texture loam and soil profile contains less than 10% rock fragment by volume
-
i
Key Characteristics
- Greater than 35" annual precipitation
- 22" - 40" annual precipitation
- Slope generally less than 30%
- Soil depths generally shallow (< 20%) with gravelly silt loam surface texture.
-
i
Key Characteristics
- Greater than 35" annual precipitation
- Site is above timberline
- Gravels on surface are greater than 20% and soil profile is loamy-skeletal and fragmental (>35% rock fragments by volume)
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