Description; v, 436 p. illus., maps (1 fold.) 24 cm. Notes; At head of 89th Congress, 2d session. Committee print. "Prepared by the United States Geological Survey in collaboration with the Washington State Department of Conservation, Division of Mines and Geology, and the United States Bureau of Reclamation, and other agencies, at the request of Senator Henry M. Jackson, chairman of the Committee on Interior and Insular Affairs, United States Senate." Includes bibliographies. Subjects; Mines and mineral resources--Washington (State). Water-supply--Washington (State).