Major Land Resource Area 114X
Southern Illinois and Indiana Thin Loess and Till Plain
Accessed: 11/21/2024
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i
Key Characteristics
- Lacustrine Parent Material
- Drainage
- Very poorly drained to somewhat poorly drained
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Lake deposts (Lacustrine Parent Material)
- Very poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Lacustrine Parent Material
- Drainage
- Somewhat poorly drained to moderately well drained and generally on terraces
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Lake deposts (Lacustrine Parent Material)
- Somewhat poorly drained to well drained
- Somewhat poorly drained to moderately well drained and generally on terraces
-
i
Key Characteristics
- Lacustrine Parent Material
- Drainage
- MWD to well drained; generally on shoulders and sideslopes
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Lake deposts (Lacustrine Parent Material)
- Somewhat poorly drained to well drained
- MWD to well drained; generally on shoulders and sideslopes
-
i
Key Characteristics
- Alluvium Parent Material
- Drainage
- Poorly drained to somewhat poorly drained
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Flowing water deposits
- Recent floodplain deposits (Alluvium Parent Material)
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Alluvium Parent Material
- Drainage
- Moderately well drained to well drained
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Flowing water deposits
- Recent floodplain deposits (Alluvium Parent Material)
- Moderately well drained to well drained
-
i
Key Characteristics
- Residuum Parent Material
- pH
- Acidic parent material
- Residuum Parent Material
- Acidic parent material
-
i
Key Characteristics
- Outwash Parent Material
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Water sorted deposts
- Flowing water deposits
- Older non-floodplain deposits (Outwash Parent Material)
-
i
Key Characteristics
- Till Parent Materual
- Drainage
- Poorly drained to somewhat poorly drained
- Recently Deposited Parent Material
- Unsorted deposit (glacial till)
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Till Parent Materual
- Drainage
- Moderately well drained to well drained on shoulders and sideslopes
- Recently Deposited Parent Material
- Unsorted deposit (glacial till)
- Moderately well drained to well drained
- Other upland positions and slopes less than 15%
-
i
Key Characteristics
- Till Parent Materual
- Drainage
- Well drained to moderately well drained on uplands Till Uplands
- Recently Deposited Parent Material
- Unsorted deposit (glacial till)
- Moderately well drained to well drained
- Shoulders and sideslopes and slopes greater than 12%
-
i
Key Characteristics
- Eolian Parent Material
- Eolian parent materials
- Recently Deposited Parent Material
- Sorted deposit (wind/water laid deposits)
- Wind sorted deposit (Eolian Parent Material)
-
i
Key Characteristics
- Lacustrine
- Poorly drained to somewhat poorly drained (slope 5% or less)
-
i
Key Characteristics
- Lacustrine
- Somewhat poorly drained (slope 5% or greater) to well drained
-
i
Key Characteristics
- Alluvium
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Alluvium
- Moderately well drained to well drained
-
i
Key Characteristics
- Residuum
-
i
Key Characteristics
- Outwash
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Outwash
- Moderately well drained to well drained
-
i
Key Characteristics
- Till
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Till
- Moderately well drained to well drained
-
i
Key Characteristics
- Eolian
- Sandy Textures
-
i
Key Characteristics
- Eolian
- Silty Textures
- Poorly drained to somewhat poorly drained, no influencing subsurface clay layer
-
i
Key Characteristics
- Eolian
- Silty Textures
- Moderately well drained to well drained
-
i
Key Characteristics
- Eolian
- Silty Textures
- Poorly drained to somewhat poorly drained, influencing subsurface clay layer
-
i
Key Characteristics
- Mollic
- Natric
-
i
Key Characteristics
- Mollic
- Non-Natric
- Poorly drained to somewhat poorly drained
-
i
Key Characteristics
- Mollic
- Non-Natric
- Moderately well drained to well 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
Outline to LRU 114XA (Indiana & Ohio)
I.
Lacustrine Parent Material
1
Drainage
ii.
Somewhat poorly drained to moderately well drained and generally on terraces
... F114XA102IN – Lacustrine Terrace Forest
iii.
MWD to well drained; generally on shoulders and sideslopes
... F114XA103IN – Sloping Lacustrine Forest
II.
Alluvium Parent Material
1
Drainage
III.
Residuum Parent Material
1
pH
V.
Till Parent Materual
1
Drainage
ii.
Moderately well drained to well drained on shoulders and sideslopes
... F114XA502IN – Till Uplands
iii.
Well drained to moderately well drained on uplands Till Uplands
... F114XA504IN – Sloping Till Upland Forest
VI.
Eolian Parent Material
Outline to LRU 114XB (Illinois)
A.
Lacustrine
1
Poorly drained to somewhat poorly drained (slope 5% or less)
... F114XB103IN – Wet Lacustrine Forest
B.
Alluvium
D.
Outwash
E.
Till
F.
Eolian
2
Silty Textures
a.
Poorly drained to somewhat poorly drained, no influencing subsurface clay layer
... F114XB803IN – Wet Silty Eolian Forest
b.
Poorly drained to somewhat poorly drained, influencing subsurface clay layer
... F114XB805IL – Post Oak Flatwoods
G.
Mollic
2
Non-Natric
Dichotomous Key to LRU 114XA (Indiana/Ohio)
1a.
Residuum Parent Material
1b.
Recently Deposited Parent Material
3a.
Unsorted deposit (glacial till)
4b.
Moderately well drained to well drained
5a.
Shoulders and sideslopes and slopes greater than 12%
... F114XA504IN – Sloping Till Upland Forest
3b.
Sorted deposit (wind/water laid deposits)
6b.
Water sorted deposts
7a.
Lake deposts (Lacustrine Parent Material)
8b.
Somewhat poorly drained to well drained
9a.
Somewhat poorly drained to moderately well drained and generally on terraces
... F114XA102IN – Lacustrine Terrace Forest
9b.
MWD to well drained; generally on shoulders and sideslopes
... F114XA103IN – Sloping Lacustrine Forest
7b.
Flowing water deposits
10a.
Older non-floodplain deposits (Outwash Parent Material)
... F114XA404IN – Outwash Upland Forest
10b.
Recent floodplain deposits (Alluvium Parent Material)
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Major Land Resource Areas
The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.
