Huge fields along the zone were discovered at the Huntington Beach Oil Field in 1920 and at Long Beach Oil Field in 1921 . Huge fields along the zone were discovered at Huntington Beach Oil Field in 1920 , and the Long Beach Oil Field in 1921 .
Ladang besar di sepanjang zon ini ditemui di Huntington Beach Oil Field pada tahun 1920 dan di Long Beach Oil Field pada tahun 1921. Ladang besar di sepanjang zon ini ditemui di Huntington Beach Oil Field pada tahun 1920, dan Long Beach Oil Field pada tahun 1921.