Clean air protection problems at national parks and wilderness areas
Subtitle: 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.
Publisher: U.S. G.P.O.; For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office
Published: 1995
Place of publication: Washington
Language: eng
Format: Microform
Number of pages: 212
Subjects: Air -- Pollution -- United States -- Physiological effect; Air -- Pollution -- United States -- Prevention; Air quality management -- United States; Environmental monitoring -- United States; National parks and reserves -- United States; Wilderness areas -- United States
Notes: Includes bibliographical references.

Microfiche. Washington : U.S. G.P.O., 1995. 3   microfiches : negative ; 11 x 15 cm.

s 1995 dcu n b.