Title Work Title No: 17379 Medium: Moving Image Date: 1977 (Release) Original Summary: "Explains that earthquakes and volcanoes often occur in the same areas around the world, areas where mountains form as the earth's crust is folded and cracks appear. Discusses the movement of the large plates that form the earth's surface and the resultant earthquakes and volcanic action." - Summary from Worldcat. Countries of Origin: U.S.A. Genres: Educational
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