16mm Filmography
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Rocks and the Record

Duration: 33

Creator: CRM/McGraw-Hill Films

Format: 16mm

Color: Color

Description: Points out the forces causing changes to the earth's surface, such as wind, water, frost, and glaciers. Illustrates several methods of determining the time involved in a major change. Describes in detail the cyclic production and decay processes of carbon 14.

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Indiana University Library Moving Image Archive

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Original permalink · Record added: 2024-04-22 21:31:56