1913
Denny, Edward & Co.
1:125k
1965
Dudley, Leavitt
1:250k
1937
Ventura County (Calif.). Office of the County Surveyor.
1:180k
1978
Alpha, Tau Rho
1930
Reddick, Harry E.
1969
California Division of Mines and Geology
1:250k
1952
United States. Air Force
1:500k
1978
US Geological Survey
1:250k
1938
Eddy, Gerald A.
1951
United States. Air Force
1:500k