County Geologic Atlas Program

Map Locator

Clay County Geologic Atlas

Number: Atlas C-29

Published in two parts:

Part A - Geology

Date: 2014

Scale: 1:100,000

Publisher: Minnesota Geological Survey (MGS  external link)

Contents: Maps of surficial and bedrock geology PDF and GIS files external link


Part B - Hydrogeology

Date: In progress

Scale: 1:100,000

Publisher: Minnesota Department of Natural Resources, Ecological and Water Resources Division

Contents: Maps of hydrogeology and sensitivity of groundwater to pollution