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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Bibliografski detalji
Autori kompanije: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
Daljnji autori: Seamans, Joe
Format: Visual Material
Jezik:English
Izdano: Washington, D.C. The Society c1991.
Teme: