Impacts of air pollution on national park units
Subtitle: hearings before the Subcommittee on National Parks and Recreation of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-ninth Congress, first session ... hearings held in Washington, DC, May 20 and 21, 1985.
Publisher: U.S. G.P.O.
Published: 1986
Place of publication: Washington, [D.C.]
Language: eng
Number of pages: 586
Subjects: Plants -- Effect of acid precipitation on -- United States.; Plants -- Effect of air pollution on -- United States.; National parks and reserves -- United States.
Notes: Includes bibliographies.
Distributed to some depository libraries in microfiche.
Shipping list no.: 86-253-P.
"Serial no. 99-10."
Item 1023-A, 1023-B (microfiche)