Source
Marsh, Othniel C. "The dinosaurs of North America." Sixteenth Annual Report of the United States Geological Survey, pp. 133-244. Washington: Government Printing Office, 1896. This work was on display in the original exhibition as item 21.
Marsh, Othniel C. "The dinosaurs of North America." Sixteenth Annual Report of the United States Geological Survey, pp. 133-244. Washington: Government Printing Office, 1896. This work was on display in the original exhibition as item 21.