Biodiversity Heritage Library
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Subject "Air quality management"
Clean air protection problems at national parks and wilderness areas : hearing before the Environment, Energy, and Natural Resources Subcommittee of the Committee on Government Operations, House of Representatives, One Hundred Third Congress, second session, April 29, 1994.
By: United States.
Publication info: Washington :For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office,1995.
Contributed by: Boston Public Library (archive.org)
Subjects: Air Air quality management Environmental monitoring National parks and reserves Physiological effect Pollution Prevention United States Wilderness areas