Related by context. Frequent words. (Click for all words.) 66 CONSOL Energy 65 Consol 63 Consol Energy 53 coal 52 Arch Coal 52 AEP 51 Alpha Natural Resources 51 AK Steel 51 Cleveland Cliffs 51 Coal 51 coal mining 51 Allegheny Energy 50 metallurgical coal 49 Wheeling Pitt 49 Cliffs Natural Resources 49 OneSteel 48 ArcelorMittal 48 Exelon 48 Mylan 48 PPL 48 FirstEnergy 47 PECO 47 MSHA 47 coal mines 47 Peabody Energy 47 Steel Dynamics 47 thermal coal 47 Norfolk Southern 47 Covanta 47 DEP 46 Vectren 46 Massey Energy 46 Severstal 46 Mittal Steel 46 Nucor 46 Weirton 45 Marcellus Shale 45 Constellation Energy 45 Cinergy 45 Range Resources 44 PSEG 44 Chesapeake Energy 44 coal mine 44 Spectra Energy 44 Implats 44 Cameco 44 Susquehanna 44 Powder River Basin 44 Mechel 43 EQT 43 Marcellus shale 43 Dominion Resources 43 Mirant 43 CSX 43 Manchin 43 Coal Mine 43 NIPSCO 43 AGL 43 Calpine 43 Harsco 42 Smurfit Stone 42 Alcoa 42 Newmont 42 PennDOT 42 coking coal 42 coal gasification 42 Newcrest 42 TransAlta 42 TXU 42 Wesfarmers 42 UGI 42 XTO 42 BHP Billiton 42 Encana 41 CIL 41 Lafarge 41 coal seams 41 Anglo Platinum 41 AngloGold Ashanti 41 NRG 41 Praxair 41 RWE 41 NiSource 41 Gov. Joe Manchin 41 ONEOK 41 colliery 41 Placer Dome 41 Ameren 41 Allegheny Technologies 41 mountaintop removal 41 Cabot Oil 41 steelmaking 41 Appalachian Power 41 coal miner 41 Agnico Eagle 41 Progress Energy 41 Mountaineer 41 Dynegy 41 Allegheny 40 Fayette County 40 Gerdau