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Ось 10 найбiльших виробникiв в США
http://www.eia.gov/coal/annual/pdf/table10.pdfTable 10. Major U.S. Coal Producers, 2012
U.S. Energy Information Administration | Annual Coal Report 2012
Rank Controlling Company Name Production (thousand short tons) Percent of Total Production
1 Peabody Energy Corp 192,563 18.9
2 Arch Coal Inc 136,992 13.5
3 Alpha Natural Resources LLC 104,306 10.3
4 Cloud Peak Energy 90,721 8.9
5 CONSOL Energy Inc 55,752 5.5
6 Alliance Resource Operating Partners LP 35,406 3.5
7 Energy Future Holdings Corp 31,032 3.1
8 Murray Energy Corp 29,216 2.9
9 NACCO Industries Inc 28,207 2.8
10 Patriot Coal Corp 23,946 2.4
11 Peter Kiewit Sons Inc