Cockerell, Theodore D. A. (Theodore Dru Alison), 1866-1948.Stein, William, paleontologist.2005-10-062005-10-061914http://hdl.handle.net/2246/1770p. 323-325 : ill. ; 24 cm.Includes bibliographical references.222471 bytesapplication/pdfen-USQH1 .A4 vol.33, art.24, 1914Mollusks, Fossil -- Clarks Fork Region (Mont. and Wyo.)Mollusks, Fossil -- Wyoming -- Park County.Paleontology -- Tertiary -- Clarks Fork Region (Mont. and Wyo.)Paleontology -- Tertiary -- Wyoming -- Park County.Paleontology -- Clarks Fork Region (Mont. and Wyo.)Paleontology -- Wyoming -- Park County.Land shells from the Tertiary of Wyoming. Bulletin of the AMNH ; v. 33, article 24.Tertiary land shells from Wyomingtext