Report of the Geological Exploration of the Fortieth Parallel
Subtitle: made by order of the Secretary of War according to acts of Congress of March 2, 1867, and March 3, 1869
By: under the direction of A. A. Humphreys by Clarence King.
Contributors: King, Clarence, 1842-1901.; United States. Army. Corps of Engineers.
Series: Professional papers of the Engineer Department, U. S. Army -- no. 18; Professional papers (United States. Army. Corps of Engineers) -- 18
Publisher: Government Printing Office
Published: 1870
Place of publication: Washington
Language: eng
Subjects: Geology -- United States; Mines and mineral resources -- United States; Natural history -- United States.
Table of contents: value: v. 4, pt. 1. Palæontology / by F.B. Meek.; value: v. 4, pt. 2. Palæontology / by James Hall and R. P. Whitfield.; value: v. 4, pt. 3. Ornithology / by Robert Ridgway.; value: v. 5. Botany / by Sereno Watson ; aided by Daniel C. Eaton and others.; value: v. 7. Odontornithes, a monograph on the extinct toothed birds of North America / by O. C. Marsh.