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...

Szczegółowa specyfikacja

Opis bibliograficzny
organizacja autorów: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
Kolejni autorzy: Seamans, Joe
Format: Visual Material
Język:English
Wydane: Washington, D.C. The Society c1991.
Hasła przedmiotowe: