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Part of the "Junior Geologist" series. Explains how different types of erosion affect the surface of the earth. Covers water, wind, and gravity erosion. Comes with teacher's guide and blackline masters.
United Learning, 1560 Sherman Ave., Ste. 100, PO Box 48718, Evanston, IL 60201, Phone: (888)892-3484, Fax: (847)328-6706, Email: info@interaccess.com, URL: http://www.unitedlearning.com, Remarks: A division of Discovery Communications
Available on VHS
Running time 9 minutes.
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