Map Unit Composition
Map units consist of 1 or more soil types, commonly referred to as "components".
Component Name Geomorphic Position Area Fraction Component Type Horizon Data
Soil Type 1 Rolla moraines
collapsed ice-walled lakebeds / Backslope
90% Major Soil Type YES
Soil Type 2 Rolla collapsed ice-walled lakebeds / Backslope
moraines
4% Inclusion YES
Soil Type 3 Kelvin moraines / Summit 3% Inclusion YES
Soil Type 4 Eramosh fens 2% Inclusion YES
Soil Type 5 Colvin depressions
moraines
collapsed ice-walled lakebeds
1% Inclusion YES

Note: links to horizon data marked with an * are approximate.


Map Unit Data What is a Map Unit?
Cartographic information about this map unit.
Map Unit Name: Rolla silty clay, 6 to 15 percent slopes
Map Unit Type: Consociation
Map Unit Symbol: F514D
Map Unit Area: 3463 acres total in survey area
Raw Map Unit Data
Raw Component Data (All Components)

Map Unit Aggregated Data
Generalized soils information within this map unit.
Farmland Class: Not prime farmland
Available Water Storage (0-100cm): 15.27 cm
Max Flood Freq: None
Drainage Class (Dominant Condition): Moderately well drained
Drainage Class (Wettest Component): Moderately well drained
Hydric Conditions: 3
[Annual] Min. Water Table Depth: 122 cm
[April-June] Min. Water Table Depth: 122 cm
Min Bedrock Depth: n/a
Raw Aggregated Map Unit Data

Associated Point Data
Links to any NSSL point data within this map unit.