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These are the Great Lakes
por
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.
- ● 76% match for you
- ● children's books, history
the long version
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.
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"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."
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