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 St. Thomas mountains / Backslope 50% Major Soil Type YES
Soil Type 2 St. Thomas mountains / Backslope 35% Major Soil Type YES
Soil Type 3 Rock outcrop cliffs 5% Inclusion None
Soil Type 4 Weiser fan remnants 5% Inclusion YES
Soil Type 5 Zeheme mountains / Backslope 4% Inclusion YES
Soil Type 6 Arizo drainageways 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: St. Thomas association
Map Unit Type: Association
Map Unit Symbol: SQE
Map Unit Area: 8843 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): 2.49 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: 36 cm
Raw Aggregated Map Unit Data

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