Title: Report of the Geological exploration of the fortieth parallel made by order of the secretary of war according to the acts of Congress of March 2, 1867, and March 3, 1869
First published: 1870
Subjects: Botany, Paleontology, Mines and mineral resources, Geology, Birds, Discovery and exploration
Places: United States, Comstock Lode (Nev.), West (U.S.)
LC classification: QE74 .K5