Related by context. Frequent words. (Click for all words.) 65 Atlantic Richfield 58 Cominco 56 Morrison Knudsen 54 LTV Steel 53 Rio Algom 51 Synthetic Rubber 51 AlliedSignal 50 Revett Minerals 50 Hibbing Taconite 50 Litton Industries 49 zinc smelting 49 Finch Pruyn 49 Occidental Chemical 49 WR Grace 48 Dresser Industries 48 Niagara Mohawk Power 48 Homestake Mining Company 48 Kennecott 47 Minntac 47 Galena Mine 47 Mining 47 International Harvester 47 Peter Kiewit Sons 46 Ciba Geigy 46 Phelps Dodge 46 Pacific Lumber 46 Mobil Oil 46 ASARCO 46 EI DuPont de Nemours 45 Lehigh Cement 45 Comstock Lode 45 Montana Tunnels 45 Rhone Poulenc 44 Kaiser Aluminum 44 Hecla Mining 44 Noranda 44 La Coipa 44 JR Simplot Co. 44 Asarco 44 Comibol 44 Allegheny Ludlum 44 Westmoreland Coal 44 Teck Cominco 44 Lingbao Gold 44 Youngstown Sheet 43 American Cyanamid 43 mining 43 Anaconda 43 Allied Signal 43 Fluor Hanford 43 CHARLESTON W.Va. Massey 43 Dewatering 43 Stillwater Mining 43 Konkola Copper Mines 43 GD Searle 43 Presco 43 Zonolite 43 Doe Run 43 Pasminco 43 Lumber Co. 43 Weirton Steel Corp. 43 Tosco 43 Kinross Gold 43 COMIBOL 42 Freeport McMoran 42 Uranerz Energy 42 USX 42 Escondida mine 42 Placer Dome 42 IG Farben 42 Massey Energy 42 Lever Brothers 42 Bethlehem Steel Corp. 42 Glamis Gold 42 Mine 42 Coeur Alaska 42 Peru Copper 42 Elf Aquitaine 42 Texaco 42 Zijin Mining Group 42 Amoco 41 PetroEcuador 41 Newmont Mining 41 CODELCO 41 Combustion Engineering 41 mine tailings 41 EI du Pont 41 Andes Petroleum 41 Chevron Texaco 41 Lemhi 41 Murrin Murrin 41 Refractories 41 Denison Mines 41 ironworks 41 zinc smelter 41 Milltown Dam 41 Weyerhauser 41 Thiokol 41 Stillwater Mine 41 Kennecott Utah 41 Newmont