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Black Thunder Mine in Wyoming, owned by Thunder Basin Coal Company LLC, was the leading coal mine in the U.S. based on production in 2022, with an annual production of around 62.18 million short tons. At the same time, the second and third largest coal wereNorth Antelope Rochelle Mine and Antelope Coal Mine, both located in Wyoming, with an annual production of 60.4 and 21.66 million short tons.
