Geothermal Power
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✎ Suggest a correctionShows how geothermal energy is recovered and the ways in which it is used to generate electricity.
Copyright
Registered 1Feb74 · MP25039 (Jan-Jun 1974) Copyright holder: Howlin Cinema Productions
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Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, description
- 16mm Filmography (legacy record) — sound, catalog record
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — copyright
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