Tule Lake, Lower Klamath, and Upper Klamath National Wildlife Refuges : hearing before the Subcommittee on Irrigation and Reclamation of the Committee on Interior and Insular Affairs, United States Senate, Eighty-seventh Congress, second session, on S. 1988, a bill to aid in the administration of the Tule Lake, Lower Klamath, and Upper Klamath National Wildlife Refuges in Oregon and California, and for other purposes, February 23, 1962. (U.S. G.P.O., 1962)