To prohibit certain incompatible activities within any area of the National Park system
Subtitle: hearing before the Subcommittee on National Parks and Recreation of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-fourth Congress, first session, on H.R. 9799 ... October 6, 1975.
Publisher: U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 131
Subjects: National parks and reserves -- Law and legislation -- United States.; Mining law -- United States.