Date: | 1872 |
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Description: | This 1872 map shows the proposed route of a canal between Sturgeon Bay, on the Green Bay side of the Door Peninsula, and Lake Michigan. Depths in both Stur... |
Date: | 1878 |
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Description: | This map shows the advantages of the Sturgeon Bay and Lake Michigan Ship Canal, railroads, steamship lines across Lake Michigan, and Wisconsin township gri... |
Date: | 1872 |
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Description: | This map includes depth shown by soundings and isolines and relief shown by contours. Tree species and locations are labeled, as well as a cranberry meadow... |
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