rock in coal mine

Coal mining - Wikipedia Coal mining is the process of extracting coal from the ground. Coal is valued for its energy content, and, since the 1880s, has been widely used to generate electricity. Why We Still Mine Coal : NPR Apr 08, 2010· Why We Still Mine Coal As residents of Montcoal, W.Va., mourn the deaths of at least 25 coal miners in the deadliest U.S. mining disaster in more than two ... B.C. Coal Mine Guilty of Fisheries Act Violations ... A British Columbia coal mine located on a Canadian waterway that spills south across the international boundary into Montana must pay $1.4 million for polluting a ...    Read More

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