1878
U.S. Geological and Geographical Survey of the Territories
1:253k
1879
1:507k
1881
Heubach, Emil
1:750k
1893
Wood Brothers
1:3m
1948
Hammond, C.S.
1:2m
1901
Murray-Aaron, Eugene, 1852-1941.
1:1m
1900
U.S. General Land Office
1:760k
1882
Cram, George Franklin
1889
Cram, George
