Development of Mineral Resources of the Public Lands of the United States: Mineral resources. July 23-Aug. 6, 1941, Washington, D.C.; Aug. 21-22, 1941, Denver, Colo.; Aug. 30, 1941, Salt Lake City, Utah; October 28, 1941, Washington, D.C. 814 p

Auteur : United States. Congress. Senate. Committee on Public Lands and Surveys

Date de publication : 1942

Éditeur : U.S. Government Printing Office

Nombre de pages : 1562