Gay, Kathlyn.
Water pollution / [by] Kathlyn Gay. - New York : Franklin Watts, 1990. - 144 p. : ill. - An impact book .
Includes bibliographical references and index.
Discusses the problem of our contaminated rivers, lakes, and oceans and proposes ways to purify them.
7-12.
0531109496
90037496
Water pollution.
Water quality--Management.
363.73
Water pollution / [by] Kathlyn Gay. - New York : Franklin Watts, 1990. - 144 p. : ill. - An impact book .
Includes bibliographical references and index.
Discusses the problem of our contaminated rivers, lakes, and oceans and proposes ways to purify them.
7-12.
0531109496
90037496
Water pollution.
Water quality--Management.
363.73