Visitor rating
By comparing anomalies such as glacial moraine deposits with the work of modern glaciers, it can be proved that certain geological features were fashioned by sheets of ice that came and went during prehistoric times.
Encyclopedia Britannica, 331 N. LaSalle St., Chicago, IL 60610, Phone: (312)347-7159, Toll-free: 800-323-1229, Fax: (312)294-2104, URL: http://www.britannica.com
Available on VHS
Running time 19 minutes.
Copyright © 2024 Net Industries - All Rights Reserved