Related by context. Frequent words. (Click for all words.) 54 coal mines 54 mines 54 mining 53 coal 53 coalmines 53 coal mining 51 CONSOL 51 mine 51 coal seams 51 coal seam 49 coal mine 48 miners 47 bituminous coal 47 Coal Mine 47 longwall 47 mined 47 coalmine 46 Coal 46 coalfield 46 dragline 46 metallurgical coal 45 Surface Mine 45 coalfields 45 Mine 45 alumina refineries 44 coal miners 44 metallurgical 44 Ovoot Tolgoi 44 Patriot Coal 44 Coal Seam Gas 44 frac sand 44 Coal seam 44 Mining 44 MSHA 44 stopes 43 minable 43 minesite 43 Consol 43 collieries 43 draglines 42 Metallurgical coal 42 Marcellus wells 42 Marcellus Shale wells 42 uranium mines 42 Utica shale 42 iron ore mines 42 CBM wells 42 steelmaking 42 Appalachian basin 42 Dewatering 42 coke oven 42 PGM ounces 41 sulfur coal 41 beneficiation plant 41 Coal Mining 41 miner 41 Scotia Mine 41 coke ovens 41 coalmining 41 Marcellus Shale drilling 41 drilling 41 Zasyadko mine 41 Consol Energy 41 mined ore 41 Goldstrike 41 ore 41 Hobet 41 towboats 41 bauxite deposits 41 Lac Herbin 41 #.#mtpa 41 thermal coal 41 CNX Gas 41 #.#Mtpa 40 Marcellus Shale formation 40 shaft 40 lignite coal 40 Quecreek Mine 40 Darby Mine 40 Lead Zinc 40 stope 40 fracs 40 wellbores 40 blast furnaces 40 SX EW 40 #Mtpa [002] 40 Massey Energy 40 molybdenum 40 heap leach pad 40 Damang 40 Chirano 40 underground workings 40 UMWA 40 mountaintop removal mining 40 anthracite 40 opencast 40 Arch Coal 40 extraction 40 bauxite mines 40 open pittable 40 Ezulwini Mine