These are the Great Lakes

author: Ault, Phillip H.
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.
year: 1972
call number/section: 1000, 977
subjects: great lakes region, history, great lakes region (north america), great lakes (north america)
Search system copyright © 2010 Genesee Valley Board of Cooperative Educational Services