![Iowa Soil Properties [gSSURGO]](https://i0.wp.com/www.agron.iastate.edu/glsi/files/2019/06/07DWTJul-1024x786.jpg?resize=1024%2C786)
Iowa Soil Properties [gSSURGO]
Statewide soil property maps by depth
Iowa Physiography
Physiographic characteristics such as terrain derivatives, pre-settlement wetlands, and regional groupings.
Surficial Geology
Geologic material found in the upper 2 meters as interpreted from gSSURGO
![National Indexes[Interpreted from gSSURGO]](https://i0.wp.com/www.agron.iastate.edu/glsi/files/2020/05/US_DI.jpg?w=1170)
National Indexes
[Interpreted from gSSURGO]
Productivity Index and Drainage Index based on soil properties in gSSURGO for the conterminous USA