1882
Bancroft, Hubert Howe.
1860
Dixon, Joseph
1:750k
1879
U.S. General Land Office
1:950k
1893
Wood Brothers
1:3m
1866
Holdredge, Sterling M.
1:3m
1861
U.S. General Land Office
1:1m
1883
Cram, George Franklin
1:2m
1909
Cram, George Franklin
1:2m
1863
U.S. General Land Office
1889
Galvani, W.H.
1:950k