Box 17, Folder 4: Lake Michigan, 1859-1872

Complete

Erosion of Lake Shore North of Milwaukee.

[Bell Graph with handwritten notes and calculations].

Last edit almost 2 years ago by EricRoscoe

Complete

Town 8 Range 22 Surveyed in 1835 by Wm A Burt.

[Bell Graph with handwritten notes].

Last edit almost 2 years ago by EricRoscoe

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