Cathey's Valley

Historical marker location:

2820 California Highway 140, Cathey's Valley, California

( Marker can be reached from State Highway 140, on the right when traveling east.)

Marker installed: 2002

California was the site of the nation's first successful oil well in 1892. The well was drilled in the city of Los Angeles and produced about 25 barrels of oil a day. Today, California remains a major oil-producing state.