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...

תיאור מלא

מידע ביבליוגרפי
Corporate Authors: National Geographic Society (Washington, D.C.), WQED (Television station : Pittsburg, Pa.)
מחברים אחרים: Seamans, Joe
פורמט: Visual Material
שפה:English
יצא לאור: Washington, D.C. The Society c1991.
נושאים: