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Hyde, Margaret O. 1917-

For pollution fighters only [by]Margaret O. Hyde. Illustrated by Don Lynch. - New York, McGraw-Hill [1971] - 157 p. illus. 21 cm.

Bibliography: p. 149-153.

Discusses the causes and effects of pollution and suggests projects and ideas for people interested in helping solve the problem.

0070316287

77151497 /AC/r86


Pollution.
Pollution.

TD175 / .H9

628/.5