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Description
The Springfield Plain is in the western part of the Ozark Uplift. It is primarily a smooth plateau with some dissection along streams. Elevation is about 1,000 feet in the north to over 1,700 feet in the east along the Burlington escarpment adjacent to the Ozark Highlands. The underlying bedrock is mainly Mississippian-aged limestone, with areas of shale on lower slopes and structural benches, and intermittent Pennsylvanian-aged sandstone deposits on the plateau surface.
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i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- >12" loess
- Fragipan
- FRAGIPAN UPLAND WOODLAND MW Drained
-
i
Key Characteristics
- Floodplains
- LOAMY FLOODPLAIN FOREST Mod to High AWC (fine-loamy, fine-silty)
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- Cherty limestone residuum
- Alfisol
- CHERT UPLAND WOODLAND No root restriction
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- Cherty limestone residuum
- LOW-BASE CHERT UPLAND WOODLAND Ultisol
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- >12" loess
- LOW-BASE LOAMY UPLAND WOODLAND No root restriction
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- Cherty limestone residuum
- Alfisol
- CHERT LIMESTONE UPLAND WOODLAND Bedrock 20-60"
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- DRY SANDSTONE UPLAND WOODLAND Sandstone residuum
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- Interbedded shale, sandstone, mudstone residuum
- INTERBEDDED SEDIMENTARY UPLAND WOODLAND Alfisol
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Cherty limestone residuum
- Alfisol
- No root restriction
- CHERT PROTECTED BACKSLOPE FOREST N, E aspects
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Cherty limestone residuum
- Ultisol
- LOW-BASE CHERT PROTECTED BACKSLOPE WOODLAND N, E aspects
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Cherty limestone residuum
- Alfisol
- Bedrock 20-60"
- CHERT LIMESTONE PROTECTED BACKSLOPE FOREST N, E aspects
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Interbedded shale, sandstone, mudstone residuum
- INTERBEDDED SEDIMENTARY PROTECTED BACKSLOPE FOREST N, E aspects
-
i
Key Characteristics
- Footslopes
- Alfisol
- LOAMY FOOTSLOPE WOODLAND Mod to High AWC (fine-loamy, fine-silty)
-
i
Key Characteristics
- Terraces and Floodplain Steps
- Alfisol
- WET TERRACE WOODLAND SWP, P Drained
-
i
Key Characteristics
- Terraces and Floodplain Steps
- Alfisol
- LOAMY TERRACE WOODLAND Well Drained
-
i
Key Characteristics
- Footslopes
- Alfisol
- DRY FOOTSLOPE WOODLAND Low AWC (skeletal, sandy, coarse-loamy)
-
i
Key Characteristics
- Upland Drainageways
- GRAVELLY/LOAMY UPLAND DRAINAGEWAY WOODLAND MW, W, SWE drained
-
i
Key Characteristics
- Sinkholes
- LOAMY SINKHOLE WOODLAND Well Drained
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- <12" loess
- Interbedded shale, sandstone, mudstone residuum
- LOW-BASE INTERBEDDED SEDIMENTARY UPLAND WOODLAND Ultisol
-
i
Key Characteristics
- Floodplains
- SANDY/GRAVELLY FLOODPLAIN FOREST Low AWC (skeletal, sandy, coarse-loamy)
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Cherty limestone residuum
- Alfisol
- No root restriction
- CHERT EXPOSED BACKSLOPE WOODLAND S, W aspects
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-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Cherty limestone residuum
- Ultisol
- LOW-BASE CHERT EXPOSED BACKSLOPE WOODLAND S, W aspects
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- >15% slope
- Interbedded shale, sandstone, mudstone residuum
- INTERBEDDED SEDIMENTARY EXPOSED BACKSLOPE WOODLAND S, W aspects
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Alfisol or Ultisol (not in Mollic subgroups)
- <15% slope
- >12" loess
- Fragipan
- FRAGIPAN UPLAND FLATWOODS P, SWP Drained
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Mollisol or Mollic Subgroup
- >12" loess
- CLAYPAN SUMMIT PRAIRIE Fragipan or claypan
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Mollisol or Mollic Subgroup
- <12" loess
- CHERT UPLAND PRAIRIE Cherty limestone residuum
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Mollisol or Mollic Subgroup
- >12" loess
- LOAMY UPLAND PRAIRIE No root restriction
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock >20"
- Mollisol or Mollic Subgroup
- <12" loess
- SANDSTONE/SHALE UPLAND PRAIRIE Sandstone/shale residuum
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock <20"
- SHALLOW LIMESTONE UPLAND GLADE/WOODLAND Limestone residuum
-
i
Key Characteristics
- Upland Summits, Shoulders or Backslopes
- Bedrock <20"
- SHALLOW SANDSTONE UPLAND GLADE/WOODLAND Sandstone residuum
-
i
Key Characteristics
- Terraces and Floodplain Steps
- LOAMY TERRACE SAVANNA Mollisol or Mollic Subgroup
-
i
Key Characteristics
- Footslopes
- WET FOOTSLOPE PRAIRIE Mollisol or Mollic Subgroup
-
i
Key Characteristics
- Upland Drainageways
- WET UPLAND DRAINAGEWAY PRAIRIE SWP, P drained
-
i
Key Characteristics
- Sinkholes
- PONDED SINKHOLE WETLAND Somewhat Poorly Drained
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Zoom in to display soil survey map units for an area of interest, and zoom out to display MLRAs. Select a map unit polygon to view ecological sites correlated to that map unit. View a brief description of an ecological site by clicking on its name in the map popup. Soil survey correlations may not be accurate, and ecological site classification of a location should always be verified in the field. Each selection may require the transfer of several hundred KB of data.
Ecological site keys
MLRA 116B
I.
Upland Summits, Shoulders or Backslopes
A.
Bedrock <20"
1
SHALLOW LIMESTONE UPLAND GLADE/WOODLAND
Limestone residuum
... R116BY024MO – Shallow Limestone Upland Glade/Woodland
2
SHALLOW SANDSTONE UPLAND GLADE/WOODLAND
Sandstone residuum
... R116BY025MO – Shallow Sandstone Upland Glade/Woodland
B.
Bedrock >20"
1
Mollisol or Mollic Subgroup
i.
>12" loess
ii.
<12" loess
b.
SANDSTONE/SHALE UPLAND PRAIRIE
Sandstone/shale residuum
... R116BY023MO – Sandstone/Shale Upland Prairie
2
Alfisol or Ultisol (not in Mollic subgroups)
i.
<15% slope
a.
>12" loess
1)
Fragipan
2)
LOW-BASE LOAMY UPLAND WOODLAND
No root restriction
... F116BY005MO – Low-Base Loamy Upland Woodland
b.
<12" loess
1)
Cherty limestone residuum
a)
Alfisol
(1)
CHERT LIMESTONE UPLAND WOODLAND
Bedrock 20-60"
... F116BY006MO – Chert Limestone Upland Woodland
3)
Interbedded shale, sandstone, mudstone residuum
a)
INTERBEDDED SEDIMENTARY UPLAND WOODLAND
Alfisol
... F116BY008MO – Interbedded Sedimentary Upland Woodland
b)
LOW-BASE INTERBEDDED SEDIMENTARY UPLAND WOODLAND
Ultisol
... F116BY019MO – Low-Base Interbedded Sedimentary Upland Woodland
ii.
>15% slope
a.
Cherty limestone residuum
1)
Alfisol
a)
Bedrock 20-60"
(1)
CHERT LIMESTONE PROTECTED BACKSLOPE FOREST
N, E aspects
... F116BY011MO – Chert Limestone Protected Backslope Forest
(2)
CHERT LIMESTONE EXPOSED BACKSLOPE WOODLAND
S, W aspects
b)
No root restriction
(1)
CHERT PROTECTED BACKSLOPE FOREST
N, E aspects
... F116BY009MO – Chert Protected Backslope Forest
(2)
CHERT EXPOSED BACKSLOPE WOODLAND
S, W aspects
... F116BY032MO – Chert Exposed Backslope Woodland
2)
Ultisol
a)
LOW-BASE CHERT PROTECTED BACKSLOPE WOODLAND
N, E aspects
... F116BY010MO – Low-Base Chert Protected Backslope Woodland
b)
LOW-BASE CHERT EXPOSED BACKSLOPE WOODLAND
S, W aspects
... F116BY034MO – Chert Limestone Exposed Backslope Woodland
b.
Interbedded shale, sandstone, mudstone residuum
1)
INTERBEDDED SEDIMENTARY PROTECTED BACKSLOPE FOREST
N, E aspects
... F116BY012MO – Interbedded Sedimentary Protected Backslope Forest
2)
INTERBEDDED SEDIMENTARY EXPOSED BACKSLOPE WOODLAND
S, W aspects
... F116BY036MO – Interbedded Sedimentary Exposed Backslope Woodland
II.
Footslopes
B.
Alfisol
1
DRY FOOTSLOPE WOODLAND
Low AWC (skeletal, sandy, coarse-loamy)
... F116BY016MO – Dry Footslope Woodland
2
LOAMY FOOTSLOPE WOODLAND
Mod to High AWC (fine-loamy, fine-silty)
... F116BY013MO – Loamy Footslope Woodland
III.
Upland Drainageways
A.
GRAVELLY/LOAMY UPLAND DRAINAGEWAY WOODLAND
MW, W, SWE drained
... F116BY017MO – Gravelly/Loamy Upland Drainageway Woodland
IV.
Sinkholes
V.
Terraces and Floodplain Steps
B.
Alfisol
VI.
Floodplains
A.
SANDY/GRAVELLY FLOODPLAIN FOREST
Low AWC (skeletal, sandy, coarse-loamy)
... F116BY029MO – Sandy/Gravelly Floodplain Forest
B.
LOAMY FLOODPLAIN FOREST
Mod to High AWC (fine-loamy, fine-silty)
... F116BY002MO – Loamy Floodplain Forest
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