1978
Alpha, Tau Rho
1879
Wheeler, G.M.
1:2m
1932
Ventura (Calif.). Office of the City Engineer.
1908
U.S. Geological Survey
1:125k
1888
Rand McNally and Company
1:380k
1937
Ventura County (Calif.). Office of the County Surveyor.
1:180k
1976
USGS
1:100k
1965
Dudley, Leavitt
1:250k
1972
Alpha, Tau Rho
1880
De Laveaux, Gustave.
1:148k