Notes on the geology of the survey for the extension of the Union Pacific Railway, E.D., from the Smoky Hill River, Kansas, to the Rio Grande
By: By John L. Le Conte ...
Contributors: Genth, F. A. 1820-1893.; Union Pacific Railroad Company.
Series: Western Americana, 1550-1900 -- reel 318, no. 3175.
Publisher: [Review Printing House]
Published: 1868
Place of publication: Philadelphia
Language: eng
Format: Microform
Number of pages: 76
Subjects: Geology -- West (U.S.)
Notes: "Catalogue of rocks, by Dr. F.A. Genth": p. 69-76.

Master microform held by: ResP.

Howes, U.S.IANA, no. L.176.

Microfilm. Woodbridge, Conn., Research Publications, 1975. 1 reel. 35 mm. (Western Americana, reel 318, no. 3175)