Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Lake Superior Basin Geology Marker
Photographer: Connor Olson
Taken: June 21, 2023
Caption: Lake Superior Basin Geology Marker
Submitted: August 17, 2023, by Connor Olson of Kewaskum, Wisconsin.
Database Locator Identification Number: p744582
File Size: 3.872 Megabytes

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