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An explosion at a coal mine in West Virginia killed 29 miners in the United States' worst mining disaster in 40 years.
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Coal mining
Process of getting coal out of the ground
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…Source: Wikipedia (CC BY-SA)
West Virginia
U.S. state
West Virginia is a mountainous state in the Southern and Mid-Atlantic regions of the United States. It is bordered by Pennsylvania and Maryland to the northeast, Virginia to the southeast, Kentucky to the southwest, and Ohio to the northwest. West Virginia is the 10th-smallest…Source: Wikipedia (CC BY-SA)
Upper Big Branch Mine disaster
2010 coal mine explosion
The Upper Big Branch Mine disaster occurred on April 5, 2010, roughly 1,000 feet (300 m) underground in Raleigh County, West Virginia at Massey Energy's Upper Big Branch coal mine located in Montcoal. Of the 31 people at the site, 29 were killed. The coal dust explosion occurred…Source: Wikipedia (CC BY-SA)