TY  - BOOK
ED  - ProQuest (Firm)
TI  - Protecting visibility in national parks and wilderness areas
AV  - TD884.5 .P76 1993
U1  - 363.73/92 20
PY  - 1993///
CY  - Washington, D.C.
PB  - National Academy Press
KW  - Haze
KW  - Environmental aspects
KW  - United States
KW  - Visibility
KW  - Air quality management
KW  - National parks and reserves
KW  - Wilderness areas
KW  - Electronic books
N1  - Includes bibliographical references (p. 265-313); Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries
UR  - https://ebookcentral.proquest.com/lib/nird-ebooks/detail.action?docID=3377207
ER  -