1855
U.S. General Land Office
1:1m
1936
Oregon Recreational Service
1853
Tennent, Thomas
1:1m
1860
Dixon, Joseph
1:750k
1934
Leahy, J.F.
1866
U.S. General Land Office
1:1m
1909
Cram, George Franklin
1:2m
1883
Cram, George Franklin
1:2m
1861
U.S. General Land Office
1:1m
1866
Holdredge, Sterling M.
1:3m