Date: | 1876 |
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Description: | A sketch map of the procession of Indian mounds on the two ridged field sites in Grant County. |
Date: | 1865 |
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Description: | Map showing the location of meteorological stations and effects that Lake Michigan has had on Wisconsin temperatures in January and July. The map shows cou... |
Date: | 1868 |
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Description: | This map is one of the earliest weather maps of the United States, which traced an 1859 storm across the continent. Manuscript annotations in red ink show ... |
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