1908
U.S. Geological Survey
1:125k
1885
California Department of Engineering
1:63k
1913
Denny, Edward & Co.
1965
Dudley, Leavitt
1:250k
1935
California Division of Highways
1:161k
1937
Ventura County (Calif.). Office of the County Surveyor.
1:180k
1878
US Geological Survey
1:253k
1861
Williamson, R.S.
1:240k
1969
California Division of Mines and Geology
1879
Wheeler, G.M.
