1991
Christo Vladimirov Javacheff (1935–2020) ; Denat de Guillebon, Jeanne-Claude (1935–2009); Christo and Jeanne-Claude
1908
U.S. Geological Survey
1:125k
1885
California Department of Engineering
1:63k
1913
Denny, Edward & Co.
1:125k
1965
Dudley, Leavitt
1:250k
1937
Ventura County (Calif.). Office of the County Surveyor.
1:180k
1908
U.S. Geological Survey
1:125k
1881
Wheeler, G.M.
1:253k
1861
Williamson, R.S.
1:240k
1900
Los Angeles County (Calif.). County Surveyor.