1941
1:4k
1892
Thompson, Thos. H.
1:32k
1886
California State Engineering Department
1:190k
1861
Williamson, R.S.
1:240k
1935
Automobile Club of Southern California.
1:250k
1935
California Division of Highways
1:189k
1939
California. Division of Water Resources.
1932
Ventura (Calif.). Office of the City Engineer.
1935
Southern California Edison Company Ltd.
1908
California. State Earthquake Investigation Commission
1:760k