First Congregational Church

Historical marker location:

3504 Mission Inn Ave, Riverside, California

( Marker is at the intersection of Mission Inn Avenue and Lemon Street, on the left when traveling west on Mission Inn Avenue.)

County of Riverside Historical Marker.

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.