1855
Department of the Interior
1:60k
1807
Humboldt, Alexander von, 1769-1859
1:2m
1853
1858
Campbell, Albert
1:602k
1861
Parke, John G.
1:760k
1897
Rand McNally and Company
1:2m
1879
U.S. General Land Office
1:1m
1875
Cram Atlas Company
1:1m
1874
Asher & Adams
1:1m
1916
Clason Map Company
1:2m