The Geology and Vertebrete Paleontology of Upper Eocene Dtrata in the Northeasterb Part of the Wind River Basin, Wyoming
The Geology and Vertebrete Paleontology of Upper Eocene Dtrata in the Northeasterb Part of the Wind River Basin, Wyoming - Washington, D.C : Smithsonian Institution, 1956. - 35 p. : láms. ; 18 cm. - Smithsonian Miscellaneous Colections ; v.131, n.8 .