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Follows Don as he sees different kinds of rocks at a granite quarry, sandstone cliff and museum. Demonstrates the effects of water, heat and pressure in the formation of rocks.
Runtime: 10 minutes
Release: Jan 01, 1963
IMDb: 0.00/10 by 0 users
Popularity: 0
Country: United States of America
Language:
Budget: 0
Revenue: 0
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