MSHA’s second quarter report of U.S. production shows there were 1,157 coal mines with some production of coal. Of this total, 322 (28%) were publicly-owned and accounted for 75% of the production, while 835 (72%) were privately held and produced 25% of the year’s output. Nationwide, in the second quarter of 2009, 68.7% of production came from surface mines with the remaining 31.3% being underground mined.
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