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Start Over Author Mayer, J. R. (John R.) Year 1855 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. 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 1855 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.

Maps University Of Michigan Public content
1855. Graham, J. D. (James Duncan), 1799-1865, Mayer, J. R. (John R.), and United States. Army. Corps of Topographical Engineers. North oriented toward right. Depths shown by soundings and isolines. "This map is the same as Map G no. 30 which accompanied Lieut. Colonel J.D. Gr...