Archival objects in this container: Colorado River, Proposed Recreation Area, 1969 Colorado River and Grand Canyon with maps, 1979-1981 Grand Canyon, 1966-1967 Grand Canyon Dams (Sierra Club Publications), 1966 Lake Mead Recreation Area, 1975-1978 Lake Tahoe, 1968-1975 Pyramid Lake, 1963-1973 Ruby Lake; Fish and Wildlife Assessment on Boating, 1976
