University of Michigan (logo)
translation missing:
translation missing: en.geoblacklight.aria-labels.citation

Kenosha harbor, Wisconsin and shewing the state of the channel between the U.S. piers and the bar from survey made, as above, between the 8th & the 12th of May 1857; from survey made in December 1854 by assistant John R. Mayer, under the direction of Brevet Lieut. Col. J.D. Graham, Major, U.S. Top. Engineers. Superintending Engineer of Lake Michigan Works. michigan