![Iowa Soil Properties [gSSURGO]](https://i1.wp.com/glsi.agron.iastate.edu/wp-content/uploads/2019/06/07DWTJul.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<br>[Interpreted from gSSURGO]](https://i0.wp.com/glsi.agron.iastate.edu/wp-content/uploads/2020/05/US_DI.jpg?resize=367%2C234)
National Indexes
[Interpreted from gSSURGO]
Productivity Index and Drainage Index based on soil properties in gSSURGO for the conterminous USA
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