Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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Bedrock Geology of Iowa

Bedrock Geology of Iowa

2017. Iowa Geological Survey. Bedrock Geology of Iowa This zip file contains a file geodatabase with the following feature classes: Bedrock Faults Bedrock Geology Bedrock Topogr...

Statemap Surficial Geologys: Iowa

Statemap Surficial Geologys: Iowa

2018. Iowa Geological Survey. Surficial Geology of Iowa Each zip file contains a shapefile of the area specified.

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Statemap Bedrock Geologys: Iowa

2018. Each zip file contains a shapefile of the specified area.