Notice of remains of extinct vertebrata from the valley of the Niobrara River
Subtitle: collected during the exploring expedition of 1857 in Nebraska under the command of Lieut. G.K. Warren, U.S. Top. Eng., by F.V. Hayden, geologist to the expedition
By: by Joseph Leidy.
Contributors: Hayden, F. V. 1829-1887.
Series: Plains and the Rockies -- no. 301b.
Publisher: Merrihew & Thompson
Published: 1858
Place of publication: Philadelphia
Language: eng
Format: Microform
Number of pages: 29
Subjects: Vertebrates, Fossil; Geology -- Nebraska; Niobrara River Valley (Wyo. and Neb.)
Notes: "Extract from the Proceedings of the Academy of Natural Sciences of Philadelphia, March 30, 1858."

Microfiche. Louisville, [Ky.] : Lost Cause Press ; Woodbridge, Conn. : Research Publications, 1960. 1 microfiche : positive ; 11 x 15 cm. (Plains and Rockies ; no. 301b)

s 1960 kyu n.