Air Quality Issues Affecting National Parks, Forests, and Public Lands: Joint Oversight Hearing Before the Subcommittee on National Parks and Public Lands and the Subcommittee on General Oversight and California Desert Lands of the Committee on Interior and Insular Affairs, House of Representatives, One Hundred Second Congress, Second Session ... Hearing Held in Washington, DC, April 30, 1992, Volume 4
United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Public Lands
U.S. Government Printing Office, 1993 - Air quality management - 183 pages
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1990 Amendments acid deposition acid rain acidification Administration adverse impact Air Act Amendments air pollution air quality Amendments of 1990 aquatic ecosystems Canyon Visibility Transport Chairman LEHMAN Chairman VENTO Class I areas Clean Air Act Colorado Plateau Committee concern Congress Congressman damage effects effort emissions EPA's Fayad Federal Land Manager Forest Service going Grand Canyon Grand Canyon Visibility implementation increase Interior KIERNAN levels monitoring Mountains National Park NAPAP National Hilderness Areas National Park Service Navajo Generating Station nitrogen oxide Northeastern United offsets ozone park resources Parks and Public parks and wilderness percent power plants proposed public lands questions reduction regional haze regulations regulatory Secretary Hayden Shenandoah National Park significant Smoky Mountains National sources statement Subcommittee sulfate concentrations sulfur dioxide TAYLOR Thank tion tional Park visibility impairment Visibility Transport Commission VTSSS West western Yuhnke