County Geologic Atlas Program

Map Locator

Regional Hydrogeologic Assessment: Southern Red River Valley

Number: RHA-3

Included Counties: Clay, Norman, and Wilkin
Parts of: Becker, Grant, Mahnomen, Otter Tail, Stevens, and Traverse

Published in two parts:


Part A - Geology

Date: 1995

Scale: 1:200,000

Publisher: Minnesota Geological Survey (MGS  external link)

Contents (PDF and GIS filesexternal link):


Part B - Hydrogeology

Date: 2000

Scale: 1:200,000

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