1867. Michler, N. (Nathaniel), 1827-1881. Detailed map of the environs of Fredericksburg giving some troop positions, with Union entrenchments in blue and Confederate entrenchments in red, ... (United States).
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1869. Michler, N. (Nathaniel), 1827-1881. Index map indicates the area covered by each sheet in the atlas.; Accompanies the Corps of Engineers' Military maps Illustrating the operations of ... War Department, Office of the Chief of Engineers (Washington, D.C).