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Helena Valley, Montana, area environmental pollution study.
LIBRA TD883.5.M6 A57
Available from offsite location
- Format:
- Book
- Author/Creator:
- United States. Environmental Protection Agency. Office of Air Programs.
- Series:
- United States. Environmental Protection Agency. Office of Air Programs. Office of Air Programs. Publication ; no. AP-91.
- Publication ; no. AP-91
- Language:
- English
- Subjects (All):
- Air--Pollution--Prickly Pear Valley.
- Air.
- Air--Pollution.
- Physical Description:
- xiv, 179 pages : illustrations ; 24 cm.
- Place of Publication:
- Research Triangle Park, N.C., [publisher not identified], 1972.
- Notes:
- Includes bibliographical references.
- OCLC:
- 300112
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