Manitowoc harbor, Wisconsin from survey made betweenteh 14th & 19th of August 1856 by assistant John O'Donoghue, under the direction of Brevet Lieut. Col. J.D. Graham, Major, U.S. Top. Engineers. Superintending Engineer of Lake Michigan Works.
Graham, J. D. (James Duncan), 1799-1865, O'Donoghue, John, 1946-, United States. Army. Corps of Topographical Engineers · 1856 Full Details
Georeferenced: false