Energy Unlimited
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✎ Suggest a correctionDemonstrates that coal is a highly efficient source of power. Points out where and how coal is mined, how it is transported and how it is used.
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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, sound, description
- 16mm Filmography (legacy record) — catalog record
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