Indian Valley Railroad

Historical marker location:

8528 Diamond Mountain Road, Greenville, California

( Marker is on Diamond Mountain Road, 9.1 miles north of North Valley Road, on the right when traveling north.)

Marker installed: 2008

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.