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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Библиографические подробности
Корпоративные авторы: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
Другие авторы: Seamans, Joe
Формат: Visual Material
Язык:English
Опубликовано: Washington, D.C. The Society c1991.
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