[Sixty lithographic plates prepared under the direction of Professor Othniel C. Marsh, and reproduced in Monograph 55 of the United States Geological Survey, "The titanotheres of western North America" by Henry Fairfield Osborn].
Contributors: Osborn, Henry Fairfield, 1857-1935.; Cope, E. D. 1840-1897.; Geological Survey (U.S.)
Series: Monographs of the United States Geological Survey -- v. 55
Publisher: U.S. Geological Survey
Published: 1890
Place of publication: [Washington]
Language: eng
Subjects: Perissodactyla, Fossil.; Paleontology -- West (U.S.); Brontotheriidae
Other titles: Brontotheridæ :
Notes: Includes: Key to the sixty lithographic plates ...