Lake Superior Geology, Scenery and Minerals
A geologic photo tour around the perimeter of the lake, featuring bedrock and surficial deposits, ores, mining history, and minerals. Includes three different sets of captions for junior, intermediate, or advanced audiences.
http://www.turnstone.ca/lsup.htm
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The Precambrian Evolution of the Great Lakes Region
Overview of 3.5 million years of geologic history of the region, including maps, descriptions of the major tectonic episodes, and photos of some rocks from Wisconsin.
http://www.geo.umn.edu/people/grads/davi0919/srthesis/srthesis.html
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