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Pleistocene Geology of the Superior Region, Wisconsin
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Pleistocene Geology of the Superior Region, Wisconsin (version 2) [GIS data]
1985
GIS Data: GeMS Level 3 file geodatabase (.gdb file format)
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Pleistocene Geology of the Superior Region, Wisconsin [plate 1]
1985
Map: 35.9 in x 27.8 in, scale 1:250,000