Protecting the environment
By: [by Charles C. Johnson, Jr. ... et al.].
Series: ERS -- 456; ERS (Series) -- 456.
Publisher: Economic Research Service, U.S. Dept. of Agriculture
Published: 1970
Place of publication: Washington, D.C
Language: eng
Number of pages: 27
Subjects: Environmental protection
Notes: Cover title.

Includes bibliographical references.