Iowa Soil Properties [gSSURGO]
Statewide soil property maps by depth
Physiographic characteristics such as terrain derivatives, pre-settlement wetlands, and regional groupings.
Geologic material found in the upper 2 meters as interpreted from gSSURGO
[Interpreted from gSSURGO]
Productivity Index and Drainage Index based on soil properties in gSSURGO for the conterminous USA