County Geologic Atlas Program

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Washington County Geologic Atlas


Part A - Geology


Number: Atlas C-39

Date: 2016

Scale: 1:100,000

Publisher: Minnesota Geological Survey (MGS  This link leads to an external site.)

Contents (PDF and GIS files This link leads to an external site.)


Part B - Hydrogeology


Number: Atlas C-39

Date: In progress

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

Contents: Maps of hydrogeology and sensitivity of groundwater to pollution. Until these are complete, refer to archive plates 5-7 below.


Archive C-5


This atlas is in the process of being updated. Part A Geology is complete and Part B Hydrogeology is in process.

Number: Atlas C-5

Date: 1990

Scale: 1:100,000 and 1:200,000

Publisher: Minnesota Geological Survey (MGS This link leads to an external site.)

Contents (PDF and GIS files This link leads to an external site.)