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1. Mouth of Kalamazoo River, Michigan from survey made between the 2d & 10th September 1856 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.

1857. Graham, J. D. (James Duncan), 1799-1865.,Mayer, John R.,United States. Army. Corps of Topographical Engineers. North oriented toward right. "Soundings are in feet and tenths of a foot." "The figures on land express the elevations above the lake surface in fe...