1878
U.S. Coast Survey
1:30k
1916
1:63k
1873
Whitney, F.
1:63k
1892
Dodge, George M.
1:48k
1866
Bowers, A.B.
1:63k
1898
Reynolds & Proctor
1:253k
1877
Thompson, Thos. H.
1:206k
1867
Bowers, A.B.
1:63k
1907
Ricksecker, L.E.
1:190k
1935
California Division of Highways
1:182k