Simpson, George Gaylord, 1902-2005-10-052005-10-051933http://hdl.handle.net/2246/356p. 79-121 : map ; 25 cm.Includes bibliographical references (p. 116-121).9418372 bytesapplication/pdfen-USQH1 .A4 vol.67, art.3, 1933Formations (Geology) -- West (U.S.)Formations (Geology) -- North America.Geology, Stratigraphic -- Tertiary -- West (U.S.)Geology, Stratigraphic -- Tertiary -- North AmericaGeology -- West (U.S.)Geology -- North AmericaStratigraphic correlation -- West (U.S.)Stratigraphic correlation -- North America.West (U.S.)North AmericaPaleontology -- Tertiary -- West (U.S.)Paleontology -- Tertiary -- North America.Glossary and correlation charts of North American Tertiary mammal-bearing formations. Bulletin of the AMNH ; v. 67, article 3Tertiary mammal-bearing formationstext