The Michigan Geological Survey, with its long history of geologic research in Michigan, is housed in the Department of Geosciences at Western Michigan University. The survey facilitates research to promote the wise use of natural resources while serving the general public through quality research, invaluable expertise and a historic data repository.


New funding: The MGS was awarded $500,000 of state funding to conduct geologic mapping to protect and develop Michigan’s natural resources. This award is a testament to the vision and hard work of the staff at the MGS and the Michigan Geological Repository for Research and Education. Special thanks to MGS Director John Yellich, Department Chair Mohamed Sultan, President John Dunn, Vice President for Government Affairs and University Relations Greg Rosine, Assistant Vice President for Government Affairs Katie John, Provost and Vice President for Academic Affairs Timothy Greene, Interim Dean of CAS Dean Hearit, Vice President for Research Dan Litynski and the Geosciences Advisory Council, without whose support this milestone could not have been achieved. Read more.

Interview: Survey Director John Yellich explains the importance of soil identification and use of consistent terminologies for water well drillers at the Michigan Ground Water Association conference in Battle Creek, Michigan. Watch the video.

A more comprehensive list of recent news can be found here.

Annual Reports

MGS Store

Visit the MGS store to purchase reports, maps, data and other documents, including historical documents and recent publications. The extent and availability of maps can be viewed using the MGS Geoplatform application.

Visit the Michigan Geological Survey online store.