This is a river; exploring an ecosystem
By: [by] Laurence Pringle.
Publisher: Macmillan
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 55
Subjects: Rivers -- Juvenile literature.; Water -- Pollution -- Juvenile literature.; Rivers.; Water -- Pollution.
Description: Describes the stages of a river from its source to the sea and the flora and fauna living in or near the waterways.
Notes: Bibliography: p. 53.