[Draft] environmental statement
By: Montana Ambient Air Quality Standards Study.
Contributors: Montana. Air Quality Bureau.
Publisher: Dept. of Health and Environmental Sciences, Air Quality Bureau
Published: 1979
Place of publication: [Helena, Mont
Language: eng
Subjects: Air quality -- Standards -- Montana.; Air -- Pollution -- Montana -- Physiological effect.; Environmental impact analysis -- Montana.
Notes: Cover title.

Includes bibliographies.