Orange County Archives:
Placentia-Richfield Oil District, Placentia
Orange County Archives:
Oil workers, Brea Canyon
Orange County Archives:
T. Frank Welsh at oil fire, Brea
Orange County Archives:
Oil derrick as Christmas tree, Huntington Beach, 1939
Orange County Archives:
Oranges and oil, circa 1921
Orange County Archives:
Oil wells near La Habra, 1920s
Orange County Archives:
Huntington Beach, 1926
Orange County Archives:
Union Oil wells, Orange County, 1928
Orange County Archives:
Huntington Beach, 1956
Orange County Archives:
Union Oil cracking plant, Orange County, June 1961
Orange County Archives:
Oil fields along Rose Dr., Placentia, 1963
Orange County Archives:
Richfield Oil field, Orange County, 1962
Orange County Archives:
Railroad and tank farm, Orange County, circa 1965
Orange County Archives:
Oil tank farm, Anaheim, 1961
Orange County Archives:
Oil refinery, Orange County, circa 1965
Orange County Archives:
Oil derricks, Orange County, circa 1955
Orange County Archives:
Oil field, Brea Canyon, Brea
Orange County Archives:
Oil field, Brea Canyon, Brea
Orange County Archives:
Oil wells on Birch Hill, Brea
Orange County Archives:
Brea Oil Camp, circa 1923
Orange County Archives:
Birch Hill Oil Field, Brea
Orange County Archives:
Oil derricks, Orange County, circa 1955
Orange County Archives:
Coyote Hills oil map, 1910
Orange County Archives:
Tank cars near Loftus Channel, Brea, circa 1954
Orange County Archives:
Chapman Well, Placentia, 1919
Orange County Archives:
Alta Vista Golf Course, Placentia, June 1961
Orange County Archives:
Union Oil Research, Brea, circa 1965
Orange County Archives:
Naval Weapons Station, Seal Beach, circa 1958
Orange County Archives:
Olinda oilfields, circa 1920
Orange County Archives:
Brea Canyon, 1930
