Poore, Richard Z. Age and correlation of California Paleogene benthic foraminiferal stages - Washington : U. S. Govt. Print. Off., 1980 - 8 p - United States. Geological Survey. Professional paper ; no. 1162-C . Subjects--Topical Terms: Stratigraphic correlation--CaliforniaGeology, Stratigraphic--TertiaryGeology--CaliforniaForaminifera, Fossil--California LC Class. No.: QE75 P9 no. 1162- C