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Structural Geology and Mining Methods on the Gogebic Range
Open-file report; contains unpublished data that has not yet been peer-reviewed. -
Limestones and Marls of Wisconsin
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Geologic Map of Wisconsin Showing Locations From Which Samples of Limestone, Dolomite, Marl, Shale or Clay Were Analyzed [plate 6]
1924
Map: 15.5 in x 16.9 in, scale 1:1,000,000