A waterfall spilling over volcanic rocks in northern Minnesota, formally known as Gooseberry Falls.

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Who We Are

The Minnesota Geological Survey was established in 1872 by the State of Minnesota and is a research and service arm of the School of Earth and Environmental Sciences at the University of Minnesota.

The MGS collaborates with universities, government agencies, industry, and local communities to study Minnesota's geology, create geological maps, and conduct research.

Phone: 
612-626-2969 

Email: 
[email protected]

Office Address: 
2609 W Territorial Rd, St. Paul, MN 55114

Office Hours: 
Public office hours are every Thursday, 8am to 4pm or by appointment only. Business hours are Monday-Friday, 8am to 4pm.

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Recent Publications

Information Circular

Information Circular 48: Updated Nitrate Guidance for Minnesota

County Atlas Series Map

C-70, Geologic Atlas of Yellow Medicine County, Minnesota

Open-File Report

Understanding Bedrock Fracture Flow to Improve Groundwater Quality

Open-File Report

Cook County North-Central Bedrock Geology of Minnesota

Recent News

Cover page of the Information Circular 48 publication showing the title and MGS/UMN branding.

Information Circular 48: Updated Nitrate Guidance for Minnesota

Newly published Information Circular 48 provides updated nitrate guidance for Minnesota based on a wealth of studies, investigations, reports, and Minnesota-specific water-quality data.
A graphic that reads, 'We are hiring! Temporary Field Assistants/Technicians'.

Now Hiring: Temporary Field Assistants/Technicians

Aides in production of geologic maps by assisting geologists with collection and processing of geologic information in laboratory, field, and office settings.
A geologist examining a bedrock outcrop in the foreground with a farm field and blue skies in the background.

Geologic Atlas of Yellow Medicine County Published

The Geologic Atlas of Yellow Medicine County, Minnesota was recently published by the Minnesota Geological Survey, including map plates and GIS datasets.
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Events and Seminars

Spring 2026 MGS Seminars

Online webinar via Zoom

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