This interface to SoilWeb is now deprecated.
Data are correct but links to documentation are likely broken.
Consider using the current interface to SoilWeb
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 Howard valley trains / Backslope
terraces / Backslope
41% Major Soil Type YES
Soil Type 2 Alton terraces / Backslope
outwash plains / Backslope
deltas / Backslope
39% Major Soil Type 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: Howard and Alton gravelly soils, 20 to 30 percent slopes
Map Unit Type: Undifferentiated group
Map Unit Symbol: HtD
Map Unit Area: 3809 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): 8.83 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: n/a
Raw Aggregated Map Unit Data

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