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Unknown author (Washington: War Dept., Corps. of Engineers, U.S., 1944)

U.S. Geological Survey (1944)

1904 edition, reprinted 1944.

U.S. Geological Survey (1949)

Unknown author (Washington: War Dept., Corps. of Engineers, U.S. Army, 1943)

Unknown author (Washington: War Dept., Corps. of Engineers, U.S. Army, 1944)

U.S. Geological Survey (1945)

1902 edition, reprinted in 1945.

U.S. Geological Survey (1945)

1901 edition, reprinted in 1945.

U.S. Geological Survey (1949)

Includes vegetation overprint.

U.S. Geological Survey (1947)

Unknown author (Washington: War Dept., Corps of Engineers, U.S. Army, 1944)