These are the Great Lakes
By: [by] Phil Ault.
Publisher: Dodd, Mead
Published: 1972
Place of publication: New York
Language: eng
Number of pages: 174
Subjects: Great Lakes -- History -- Juvenile literature.; Great Lakes region -- History -- Juvenile literature.; Great Lakes Region -- History.
Description: Traces the history of the Great Lakes and their environs, examines man's responsibility for upsetting and correcting the ecological balance in the lakes, and discusses their present pollution crisis.
Notes: Bibliography: p. 171-172.