Major Land Resource Area 061X
Black Hills Foot Slopes
Accessed: 12/21/2024
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i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Yes. Is the site an old stream terrace?
- No. Loamy - North (R061XN010SD), Ly - South (R061XS010SD), Ly - West (R061XY122WY).
- North LRU
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i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Yes.
- North LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6” )?
- Yes. Thin Upland
- North LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- Yes. Shallow Loamy
- North LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Yes. Is the site an old stream terrace?
- No. Loamy - North (R061XN010SD), Ly - South (R061XS010SD), Ly - West (R061XY122WY).
- South LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Yes.
- South LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6” )?
- Yes. Thin Upland
- South LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- Yes. Shallow Loamy
- South LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
- No. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous, clayey surface texture (>1.75” ribbon)?
- No. On upland landscape. Is the soil mod. deep or deep and have many (> 35%) coarse fragments (rocks) at or near the surface and throughout the soil profile?
- Yes. Is mountain mahogany prevalent throughout the site?
- Yes.
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Yes.
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Yes. Is the site an old stream terrace?
- No. Loamy - North (R061XN010SD), Ly - South (R061XS010SD), Ly - West (R061XY122WY).
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- Yes. Shallow Loamy
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
- Yes.
-
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- Yes. Does the soil have visible salt crystals within 6 inches?
- No.
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Determine the surface and subsoil textures. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
- Yes. Sandy
- Rest of MLRA
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- Yes. Very Shallow
- Rest of MLRA
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
- No. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous, clayey surface texture (>1.75” ribbon)?
- Yes. Shallow Clayey
- Rest of MLRA
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
- No. Does the site occasionally flood?
- Yes. Overflow
- Rest of MLRA
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Yes. Is the site an old stream terrace?
- Yes. Loamy Terrace (R061XY022SD).
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
- No. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous, clayey surface texture (>1.75” ribbon)?
- No. On upland landscape. Is the soil mod. deep or deep and have many (> 35%) coarse fragments (rocks) at or near the surface and throughout the soil profile?
- Yes. Is mountain mahogany prevalent throughout the site?
- No.
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
- Yes. Lowland
- Rest of MLRA
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
- Yes. Lowland
- LRU West
- Not saline
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
- No. Does the site occasionally flood?
- Yes. Overflow
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
- Yes. Lowland
- LRU West
- Saline
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
- Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
- No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
- Yes. Does the soil have visible salt crystals within 6 inches?
- Yes. Saline Subirrigated
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Determine the surface and subsoil textures. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
- No. Soil surface and subsoil textures are Sand, Loamy sand, Loamy fine sand (no ribbon)?
- Yes. Sands
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
- Dig hole to 20 inches. Is there a root restrictive layer?
- No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
- Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
- Determine the surface and subsoil textures. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
- Yes. Sandy
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- No. Is there a root restricting layer within 10-20 inches of the surface?
- Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
- No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
- No. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous, clayey surface texture (>1.75” ribbon)?
- Yes. Shallow Clayey
- West LRU
-
i
Key Characteristics
- RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
- RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
- Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
- Yes. Very Shallow
- West LRU
-
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Ecological site keys
MLRA 061X - Black Hills Foot Slopes - Rangeland (LRU's N-North, S-South, W/WY-West, and Y-Common), and Black Hills Foot Slopes - Forest Land (Low Elevation < 6,200').
I.
RANGELAND (Soils usually have a mollic epipedon, lack an O horizon and do not have an E horizon. Rangelands may have conifer encroachment but are not Forest Sites).
A.
RUN-OFF LANDSCAPE POSITIONS (Upland, normally convex short slopes > 6 percent, Shoulder).
1
Dig hole to a depth of 20 inches minimum. Is there root restrictive layer within 10 inches of the soil surface?
i.
Yes. Very Shallow
ii.
No. Is there a root restricting layer within 10-20 inches of the surface?
a.
No. Is the soil > 20 inches in depth with a thin surface layer (< 3” ) and effervesce at or near the surface (within 6” )?
1)
Yes. Thin Upland
2)
No. See “Normal Landscape Positions”
b.
Yes. Is the soil surface 10 to 20 inches with a Clay loam, Silty clay loam, Sandy clay loam or Silty texture (0.5-1.75” ribbon)?
1)
Yes. Shallow Loamy
2)
No. Is the soil surface Sandy loam or Loamy sand texture (0.25-0.5” ribbon)?
b)
No. Is the soil derived from shale with weathered shale chips below 4” in the soil profile and the soil is calcareous, clayey surface texture (>1.75” ribbon)?
(1)
Yes. Shallow Clayey
(2)
No. On upland landscape.
Is the soil mod. deep or deep and have many (> 35%) coarse fragments (rocks) at or near the surface and throughout the soil profile?
(a)
Yes. Is mountain mahogany prevalent throughout the site?
(b)
No. See “Normal Landscape Positions”
B.
NORMAL LANDSCAPE POSITIONS (Upland, slopes normally linear, 1 to 6 percent except sandy/sands sites can have complex slopes, Back slope, Summit, Foot slope).
1
Dig hole to 20 inches. Is there a root restrictive layer?
i.
Yes. See “Run-Off Landscape Positions”
ii.
No. Determine the surface and subsoil textures. Clay or Silty Clay (40 to 55% clay) Surface (>1.75” ribbon) and Clayey Subsoil?
a.
Yes.
b.
Determine the surface and subsoil textures. Loam, Silt loam, Silty, Clay Loam, Sandy clay loam, Very fine sandy loam (0.5 – 1.75” ribbon)?
1)
Yes. Is the site an old stream terrace?
a)
No. Loamy - North (R061XN010SD), Ly - South (R061XS010SD), Ly - West (R061XY122WY).
2)
Determine the surface and subsoil textures. Sandy loam, Fine sandy loam, Loamy very fine sand (0.25-0.5” ribbon)?
a)
Yes. Sandy
b)
No. Soil surface and subsoil textures are Sand, Loamy sand, Loamy fine sand (no ribbon)?
(1)
Yes. Sands
(b)
Rest of MLRA - Sands (R060A008SD).
(2)
No. See “Run-In Landscape Positions”
C.
RUN-IN LANDSCAPE POSITIONS [Valley Bottomlands, Drainageways (not depressions), Toe slopes].
1
Observe the soil to a depth of 60 inches. Is there evidence of a permanent water table within 1 to 2 feet of the surface and the site is dominated by hydrophytes?
i.
Yes. Wet Land (R061XY002SD).
ii.
No. Is there evidence of a permanent water table within 2 to 5 feet of the surface?
a.
Yes. Does the soil have visible salt crystals within 6 inches?
1)
Yes. Saline Subirrigated
b)
Rest of MLRA - Saline Subirrigated (R060AY036SD).
b.
No. Is the site on a low stream terrace adjacent to a stream? There may be a seasonal water table present (>5 feet of the surface).
1)
Yes. Lowland
a)
LRU West
2)
No. Does the site occasionally flood?
a)
Yes. Overflow
b)
No. Start Over.
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