Colorado wilderness areas : Hearing before the Subcommittee on Public Lands of the Committee on Interior and Insular Affairs, United States Senate, Ninety-third Congress, first session, on S. 702, a bill to designate the Flat Tops Wilderness, Routt and White River National Forests, in the State of Colorado; S. 1863, a bill to designate the Weminuche Wilderness, Rio Grande and San Juan National Forests, in the State of Colorado; S. 1864, a bill to designate the Eagles Nest Wilderness, Arapaho and White River National Forests, in the State of Colorado. Denver, Colo., June 11, 1973.