http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
96 pages : illustrations (some color) ; 25 cm.
Discusses the history, origins, uses, and future of coal; types of coal and the exploration and application of them; production, transportation, and marketing of coal; the relationship of coal to the environment; and the future of coal.