1978
US Geological Survey
1:250k
1978
Alpha, Tau Rho
1879
Wheeler, G.M.
1:2m
1888
Rand McNally and Company
1:380k
1888
Rowan, Valentine James
1932
Ventura (Calif.). Office of the City Engineer.
1982
Alpha, Tau Rho
1896
Blum, George W.
1:760k
1922
Chadwick, J. P.
1888
Rowan, V. J. (Valentine James)
1:95k