How the Earth Was Made
Great LakesDVD - 2008
The Great Lakes region provided geologists with much of the evidence for the frequent ice ages that visited North America. But the lakes may be a rather transient feature of the continent dependent upon the recurring ice ages to maintain their existence.
Publisher: New York : A & E Home Video : Distributed by New Video, 2008
Branch Call Number: 5.577 Ho
Description: 1 videodisc (approximately 47 min.) : sound, color ; 4 3/4 in
Alternative Title: How the Earth was made (Television program)