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 Stewval hillsides / Backslope 35% Major Soil Type YES
Soil Type 2 Downeyville hillsides / Backslope 35% Major Soil Type YES
Soil Type 3 Rock outcrop peaks / Shoulder 15% Major Soil Type None
Soil Type 4 Blacktop hillsides / Backslope 5% Inclusion YES
Soil Type 5 Gabbvally hills / Backslope 3% Inclusion YES
Soil Type 6 Vindicator hills / Backslope 3% Inclusion YES
Soil Type 7 Izo drainageways 2% Inclusion YES
Soil Type 8 Xeric Torriorthents drainageways 2% 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: Stewval-Downeyville-Rock outcrop association
Map Unit Type: Association
Map Unit Symbol: SDR
Map Unit Area: 1120 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): 1.42 cm
Max Flood Freq: None
Drainage Class (Dominant Condition): Well drained
Drainage Class (Wettest Component): Well drained
Hydric Conditions: 0
[Annual] Min. Water Table Depth: n/a
[April-June] Min. Water Table Depth: n/a
Min Bedrock Depth: 11 cm
Raw Aggregated Map Unit Data

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