National environmental indices
Subtitle: air quality and outdoor recreation
By: C. A. Bisselle, S. H. Lubore, R. P. Pikul.
Contributors: Lubore, S. H.; Pikul, Robert P.
Publisher: National Technical Information Service
Published: 1972
Place of publication: Springfield, Va
Language: eng
Number of pages: 251
Subjects: Air quality indexes -- United States.; Air -- Pollution -- United States -- Measurement.
Notes: "MTR-6159."

"PB 210 668."

Includes bibliographical references.

Microfiche. Springfield, Va. : NTIS, 1972. -- 3 sheets.