Map of the Department of the Columbia : Projected and compiled at the Engineer Office, Department of the Columbia / By Lieut. Thomas W. Symons, Corps of Engineers, assisted by Alfred Downing and C. C. Manning, Topographical Assistants, U.S. Army, Drawn by Alfred Downing, Topographical Assistant
Creator
United States. Army. Corps of Engineers, creator Symons, T. W. (Thomas William), 1849-1920, cartographer
Contributor
Corps of Engineers United States. Army. Dept. of the Columbia Downing, Alfred Manning, C. C Wright, Horatio Gouverneur, 1820-1899 Pumpelly, Raphael, 1837-1923 Wheaton, Frank, 1833-1903
Geological formation notes in MS on map. "Brevet Brig. Gen. Frank Wheaton Commanding Department." Includes list of sources consulted in compilation. Shows military stations occupied and abandoned as of January 1881; railroads existing and projected; wagon roads, and lighthouses. From the collection of Raphael Pumpelly. Mineral data added by hand. MS note: 317934 No. 544. Prime meridian: GM. Relief: hachures. Graphic Scale: Miles. Projection: Polyconic. Printing Process: Lithography.
Extent
1 map ; printed and hand col.ed ; 79 x 109 cm., sheet 83 x 111 cm.
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