Historical Marker
San Luis Camp Adobe
Historical marker location:
8891Wolfsen Road, Los Banos, California
( Marker is on Wolfsen Road, on the left when traveling north.)
Marker installed: 1967
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.