Chester, Michael.

Let's go to stop water pollution. Illustrated by Albert Micale. - New York, Putnam [1969] - 44 p. illus. (part col.) 22 cm. - Let's go series .

Briefly describes the causes of water pollution and the methods of purifying water on a large scale to make it fit for use.

LCCN: 70075592 /AC

Subjects--Topical Terms:
Water--Pollution--Juvenile literature.
Water--Purification--Juvenile literature.
Water--Pollution.
Water--Purification.

LC Class. No.: TD425 / .C43

Dewey Class. No.: 628/.168