Title: Sixth annual report of the United States Geological Survey of the Territories : embracing portions of Montana, Idaho, Wyoming, and Utah : being a report of progress of the explorations for the year 1872 /
Authors: Hayden, F. V. 1829-1887.; Hayden, F. V. 1829-1887,; United States.
Publisher: Govt. Print. Off.,
Year: 1873
Subjects: Geology West (U.S.); Zoology West (U.S.); Botany West (U.S.); Paleontology West (U.S.); Discoveries in geography United States.; Discoveries in geography American.; Discoveries in geography; West (U.S.) Description and travel.; United States Discovery and exploration.
Contents: Report of F.V. Hayden.--Special reports on geology and paleontology.--Special reports on zoology and botany.--List of new species described.