Title: The Grand Canyon National Park
Subtitle: oversight hearing before the Subcommittee on National Parks and Public Lands of the Committee on Resources, House of Representatives, One Hundred Fifth Congress, second session ... September 24, 1998, Washington, DC.
Subjects: Airplanes, Environmental law, Law and legislation, Management, Noise, Wilderness areas, Airplanes, noise
Places: Arizona, Grand Canyon National Park (Ariz.)