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National Geologic Map Database
General Information
- Title: The Great Lakes Geologic Mapping Coalition—Working collaboratively to understand the geology of the Great Lakes Region
- Author(s): Lopez, B., Shelton, J.L., Marketti, M., Ritzel, K., and Graham, B.L.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Fact Sheet 2026-3010
- Publication Date: 2026
- Cross Section: None
- Find more maps in this area with mapView
- Corrections to this entry?
* See base map disclaimer below
Additional Resources
- Links and Downloads:
- Publication
- For more information, please contact:
- U.S. Geological Survey
- USGS Information Services
- Box 25286
- Denver, CO 80225
- Phone: (303) 202-4700 or 1-888-ASK-USGS
- Fax: (303) 202-4710
* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.