1846
Preuss, Charles
1:634k
1943
United States. Office of War Information
1:1m
1858
Campbell, Albert
1:6m
1893
Union Pacific Railway Company.
1882
Cram, George Franklin
1:2m
1875
Cram Atlas Company
1:1m
1871
Anonymous
1:600k
1938
United States. Post Office Department
1:766k
1938
Thomas Brothers
1:2m
1879
U.S. General Land Office
1:1m