1901
International Boundary Commission
1:60k
1950
Daughters of the Nile, Rosetta Temple No. 61
1:24k
1855
Department of the Interior
1:60k
1951
United States. Air Force
1:500k
1883
(U.S. War Department) Office of the Chief of Engineers, U.S.A.
1:475k
1807
Humboldt, Alexander von, 1769-1859
1:2m
1853
1858
Campbell, Albert
1:602k
1944
United States. Department of Commerce
1:500k
1861
Parke, John G.