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Coal is the official state mineral of Kentucky, [203] and the official state rock of Utah [204] and West Virginia. [205] These US states have a historic link to coal mining. Some cultures hold that children who misbehave will receive only a lump of coal from Santa Claus for Christmas in their stockings instead of presents.
Anthracite, also known as hard coal and black coal, is a hard, compact variety of coal that has a submetallic lustre.It has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals.
Coal mining is the process of extracting coal from the ground or from a mine. Coal is valued for its energy content and since the 1880s has been widely used to generate electricity. Steel and cement industries use coal as a fuel for extraction of iron from iron ore and for cement production.
In an initiative led by the United Kingdom, more than 40 nations agreed Thursday to phase out coal as an energy source over the next two decades, yet the United States was not one of them.
In a 2004 effort to foster positive public opinion of coal, many large coal mining companies, electric utilities, and railroads in the U.S. launched a high-profile marketing campaign to convince the American public that coal-fired power can be environmentally sustainable, despite the fact that coal is the largest contributor of CO 2 emissions ...
See American coal miners below: Coal was originally used in America in the 1300s by the Hopi Indians as a way to cook their food, warm themselves and fire their clay. Coal did not resurface in the ...
Alamy Coal is dying as a source of energy in the U.S. as increased regulation and competing energy sources push it out of the market. The headlines might make you think that coal's decline will ...
Coal and the coal mines (1917), an overview by an expert. online; Lauver, Fred J. "A Walk Through the Rise and Fall of Anthracite Might", Pennsylvania Heritage Magazine 27#1 (2001) online edition; Long, Priscilla. Where the Sun Never Shines: A History of America's Bloody Coal Industry. Paragon, 1989. Nelson, Robert H. The Making of Federal Coal ...
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