Great lakes, fragile seas [videorecording]

North America's freshwater seas have been subjected to decades of human abuse. Documents concurred groups attempting to repair past damage and confronting new threats to these waters. Shows how bodies of water affect lives of people. Shows the multifaceted aspects of the seas and other bodies o...

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Bibliographic Details
Corporate Authors: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
Other Authors: Seamans, Joe
Resource Type: Visual Material
Published: Washington, D.C. The Society c1991.