Visit our Map Collections
Lake Superior Maps, eastern UP
Maps of Lake Superior’s south shore from Sault Ste Marie to Grand Portal Point. (Coming soon!)
Township and County Maps
Maps of Burt Township and Alger County. (Coming soon!)
Grand Marais Harbor Maps and Charts
Here’s where you’ll find maps of the harbor dating back to 1867. Included are depth charts and underwater mapping showing proposed and completed structures.
Maps of property ownership in Grand Marais, dating back to the first plats of 1883.