Air quality data summaries for Anaconda-Butte, Billings, Missoula, and Columbia Falls/Hardin/East Helena/Colstrip
By: prepared for Air Quality Bureau, Montana Department of Health and Environmental Sciences, by James W. Gelhaus ; edited by Stephen Medvec, Harold Robbins.
Contributors: Medvec, Stephen E.; Robbins, Harold; Montana. Air Quality Bureau.; Montana Air Pollution Study (Project)
Publisher: The Bureau
Published: 1981
Place of publication: Helena, Mont
Language: eng
Number of pages: 157
Subjects: Air quality -- Montana.
Notes: Bibliography: p. 153.
At head of title: Montana Air Pollution Study.