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Start Over Author Graham, J. D. (James Duncan), 1799-1865 Year 1857 Bounding Box -40.000931 39.999015 -39.999064 40.000987

2. New Buffalo and the marshes of Lake Pottowottomee at the mouth of the Galien River, Michigan shewing the facilities for constructing a harbor of refuge; from survey made in September 1857 by assistant John R. Mayer, under the direction of Brevet Lieut. Col. J.D. Graham Major, U.S.Top. Engineers. Superintending Engineer of Lake Harbor Works.

Maps University Of Michigan Public content
1857. Graham, J. D. (James Duncan), 1799-1865, Mayer, J. R. (John R.), and United States. Army. Corps of Topographical Engineers. The soundings are in feet & tenths of a foot. "The figures on land express the elevations above the lake surface in feet and decimals. The horizont...

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