1903
Washington, D.C. : U.S. Geological Survey
1:63k
1901
1:63k
1935
California Division of Highways
1:161k
1937
Ventura County (Calif.). Office of the County Surveyor.
1:180k
1922
Dreyfus, Louis G.
1:125k
1930
Reddick, Harry E.
1930
1935
California Division of Highways
1:201k
1969
California Division of Mines and Geology
1:250k
1939
Gorham, J.