Exposed Precambrian Bedrock in Part of Dickinson County, Michigan, and Marinette and Florence Counties, Wisconsin

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Description Rock outcrop locations taken from geologic maps published from the 1940s until the late 1990s. Bedrock exposure locations were routinely recorded to provide both an indication of where direct observations were made, and as a guide for future investigations to expedite location of observable rock exposures. Data are provided in shapefile format.
Originators Cannon, William F.; Schulte, Ruth F.; and Bickerstaff, Damon P.
Publication U.S. Geological Survey data release 10.5066/F7SJ1JH0

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Shapefile MultiPolygon Shapefile, EPSG:26916