Background air quality studies of the Poplar River area of northeastern Montana, 1978
By: by W. Gelhaus ... [et al.].
Contributors: Gelhaus, James W.
Publisher: Air Quality Bureau, Environmental Sciences Division, Montana Dept. of Health and Environmental Sciences
Published: 1979
Place of publication: Helena
Language: eng
Number of pages: 301
Subjects: Air quality -- Montana.; Air quality -- Poplar River Watershed (Sask. and Mont.)
Notes: Bibliography: p. 87.