The Role Of Coal
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✎ Suggest a correctionExplains the role of coal as an energy source in the past, present and future. Contrasts coal with other energy sources and notes that the scarcity and expense of petroleum necessitates consideration of developing alternative sources.
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- 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
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