Date: | 1917 |
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Description: | A geological survey map that shows the sedimentary and igneous deposits in southeastern Wisconsin and south central Wisconsin, as well as the limits of gla... |
Date: | 1917 |
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Description: | A geological survey map of southeastern Wisconsin that shows the configuration of the bedrock beneath the glacial drift and other deposits in southeastern ... |
Date: | 1917 |
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Description: | A geological survey map that map of southeastern Wisconsin shows the surface deposits east of the Wisconsin River, from the Illinois state line north to Ne... |
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