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- Coal - National Geographic Societynoun. Coal is a nonrenewable fossil fuel that is combusted and used to generate electricity. Mining techniques and combustion are both dangerous to miners and hazardous to the environment; however, coal accounts for about half of the electricity generation in the United States.
- Coal explained Where our coal comes from - U.S. Energy Information ...The two largest coal mines in the United States are the Black Thunder and North Antelope Rochelle mines in Wyoming. Together, the two mines accounted for 21% of total U.S. coal production in 2022.
- Coal mining | Definition, History, Types, & Facts | BritannicaCoal mining, extraction of coal deposits from the surface of Earth from underground. Coal has been used since the Bronze Age, 3,000 to 4,000 years ago, and was the basic energy source that fueled the Industrial Revolution of the 18th and 19th centuries.
- Coal Mining - FutureCoalBy carefully pre-planning projects, implementing pollution control measures, monitoring the effects of mining and rehabilitating mined areas, the coal industry minimises the impact of its activities on the neighbouring community, the immediate environment and on long-term land capability.
- Coal mining - Underground mining | Britannica - Encyclopedia BritannicaModern underground coal-mining methods can be classified into four distinct categories: room-and-pillar, longwall, shortwall, and thick-seam. Room-and-pillar mining. In this method, a number of parallel entries are driven into the coal seam.
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