Related by context. Frequent words. (Click for all words.) 57 Hobet 53 Surface Mine 50 CONSOL 50 Carmeuse 49 Northshore Mining 48 Mingo Logan 48 OVEC 48 Montana Tunnels 47 highwall 47 longwall mining 47 PCS Phosphate 47 Lehigh Cement 47 Westmoreland Coal 47 Minntac 46 Arch Coal Inc. 46 Arch Coal 46 Jerritt Canyon Mine 46 Hibbing Taconite 45 MSHA inspectors 45 Revett Minerals 45 Hawesville 45 valley fills 45 Columbia Gas Transmission 45 Patriot Coal 45 TECO Coal 44 WARN notice 44 mountaintop removal mines 44 Galena Mine 44 SRBC 44 Coppabella 44 Oglebay Norton 43 AENY 43 Arch Coal Inc 43 Consol 43 EKPC 43 Cadia 43 Fola 42 PGM ounces 42 Kokosing 42 RX Exploration 42 Mining 42 frac sand 42 Chesapeake Appalachia 42 GeoMet 42 Jerritt Canyon 42 zinc smelting 42 Stillhouse 42 draglines 42 Mineral Industries 42 Capstone Mining 42 mining 42 coal seam 41 Hanson Aggregates 41 alluvial mining 41 Harman Mining 41 Questar Pipeline 41 groundwater withdrawals 41 Universal Stainless 41 dewater 41 APGI 41 Ellery Elvis Hatfield 41 Massey Energy 41 longwall 41 CNX Gas Corporation 41 Coal 41 Refractories 41 Century Aluminum 41 NYSE CNX 40 Montanore Project 40 Highlands Conservancy 40 Appalachian basin 40 CoAL 40 Moundsville W.Va. 40 Uranium Mine 40 Hamersley Iron 40 coal 40 CNX Gas 40 MSHA 40 bauxite deposits 40 Dunkard Creek 40 Jellico 40 tailings 40 Comstock Lode 40 Synthetic Rubber 40 Consol Energy 40 Aracoma 40 Quarries 40 Cline Mining 40 coal mining 40 Sonoco Products 40 #.#mtpa 39 Lac Pelletier 39 Afgem 39 Deno Gold 39 GoldSpring 39 Wettick 39 Atlantic Richfield 39 Mine 39 Coal Seam Gas 39 Mullan Idaho 39 Coal Mining