Quad with Surface and Subsurface Geology with some 3D
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Quad with Surface and Subsurface Geology
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County with Surface Geology
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County without Surface Geology
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Click in the polygon to see the list of map available for each region.

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This web map shows the mapped areas of Michigan. The Counties and 7.5 Minute Quadrangles provide the direct link to the Michigan Geological Survey Store where you can purchase the maps.