Outdoor recreation briefing : hearing before the Subcommittee on Parks and Recreation of the Committee on Energy and Natural Resources, United States Senate, Ninety-fifth Congress, first session ... March 17, 1977.
United States.Congress.Senate.Committee on Energy and Natural Resources.Subcommittee on Parks and Recreation.
Washington : U.S. Govt. Print. Off.,
1977.
"Publication no. 95-21."
Outdoor recreation