1887
1:250k
1895
Fee, Charles H.
1:165k
1872
Hayden, F.V.
1:317k
1875
Ludlow, William
1:760k
1881
Heubach, Emil
1:750k
1893
Union Pacific Railway Company.
1882
Cram, George Franklin
1:2m
1874
Asher & Adams
1:1m
1875
Cram Atlas Company
1:1m
1938
United States. Post Office Department
1:766k