1934
General Petroleum Company (San Francisco); San Gabriel Chamber of Commerce.
1946
Los Angeles County (Calif.). County Surveyor.
1939
Los Angeles, Calif. : The Authority
1:60k
1944
California. Division of Oil and Gas.
1:7k
1857
Hancock, Henry
1:31k
1946
Los Angeles County (Calif.). County Surveyor.
1930
Thomas, Geo C.
1:27k
1888
California. Department of Engineering; Hall, Wm. Ham. (William Hammond); Sandow, George; Britton & Rey.
1:42k
1956
Shell Oil Company
1:57k
1915
US Geological Survey
1:63k