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The Clays and Clay Industries of Wisconsin
Bulletin is titled Part 1; however, Part 2 was never published. -
On the Building and Ornamental Stones of Wisconsin
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Map of Wisconsin Showing Location of Quarries [plate 1]
1898
Map: 16.2 in x 20.7 in, scale 1 in = 20 miles
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Mineral and Water Resources of Wisconsin
Report prepared by the U.S. Geological Survey in collaboration with the Wisconsin Geological and Natural History Survey. Printed at the request of Committee on Interior and Insular Affairs, U.S. Senate.