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Filter: Subject of Formations (Geology)
Filter: Creator Name of Wisconsin Geological and Natural History Survey
| Date: | 1968 |
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| Description: | This map shows lakes, rivers and soil types. Lake Michigan, Lake Superior, and portions of Illinois, Iowa, Michigan, and Minnesota are labeled. A legend to... |
| Date: | 1910 |
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| Description: | Two maps that show the rail lines of the Minneapolis, St. Paul & Sault Ste. Marie Railway Company in Wisconsin. The first map shows these lines on the Map ... |
| Date: | 1920 |
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| Description: | Shows geology, test pits, shafts, houses, and the Mellen Lumber Co. Ry. in Marengo township, Ashland County, Wisconsin. "This is a preliminary map issued i... |
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