Existing glaciers and geologic effects created by their presence in the ice age are discussed as to the role they played in shaping the North American continent.
Valencia Entertainment International, 26030 Avenue Hall, Ste. 5, Valencia, CA 91355, Phone: (661)257-8000, Fax: (661)257-1780, URL: http://
Available on VHS
Running time 28 minutes.
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