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 Rockfield till plains / Summit 60% Major Soil Type YES
Soil Type 2 Williamstown till plains / Backslope 30% Major Soil Type YES
Soil Type 3 Cyclone 3% Inclusion Similar Data [1] *
Soil Type 4 Treaty 3% Inclusion None
Soil Type 5 Washtenaw 3% Inclusion Similar Data [1] *

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: Rockfield-Williamstown complex, 1 to 6 percent slopes, eroded
Map Unit Type: Complex
Map Unit Symbol: RrB2
Map Unit Area: 15438 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: All areas are prime farmland
Available Water Storage (0-100cm): 15.97 cm
Max Flood Freq: None
Drainage Class (Dominant Condition): Moderately well drained
Drainage Class (Wettest Component): Moderately well drained
Hydric Conditions: 9
[Annual] Min. Water Table Depth: 61 cm
[April-June] Min. Water Table Depth: 61 cm
Min Bedrock Depth: n/a
Raw Aggregated Map Unit Data

Associated Point Data
Links to any NSSL point data within this map unit.
1. Rockfield (1985IN015002) [Lab Data] | [Pedon Description]