Photograph as originally submitted to this page in the Historical Marker Database Click on photo to resize in browser. Scroll down to see metadata.
Geology of Duluth Harbor Marker
Photographer: Keith L
Taken: September 26, 2007
Caption: Geology of Duluth Harbor Marker
Submitted: February 3, 2008, by Keith L of Wisconsin Rapids, Wisconsin.
Database Locator Identification Number: p15233
File Size: 0.794 Megabytes

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