World Mining, Volume 29, Issues 8-13Miller Freeman Publications, 1976 - Mineral industries Some issues include special catalog, survey and directory number. |
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500 Howard Street Arizona Asarco Atlas Copco Australia bauxite belt bits blasting Boliden Bucket Wheel Cable Canada capacity Circle PEP coal concentrate conveyor copper Corporation costs crusher cubic deposits Detroit Diesel diameter Diesel drilling drive dump electric engineering exploration feet Fiat-Allis flotation GEMCO geological Germany gold grade grinding hole hydraulic increase installed International iron leach load loaders machine magnetic manager manufactured material ment metal metallurgical meters mill mineral processing Mining Company molybdenum nickel open pit operation ounce Outokumpu oxide P.O. Box pellets PEP card percent Peru Phone phosphate plant porphyry copper pound PRODUCTION EQUIPMENT PREVIEW pump radon reserves rock sampling shaft short ton smelter smelting South Africa Soviet steel stoping surface Sweden tailing techniques Telex tion tires tons trucks underground United uranium valve waste West Germany Wilfley WORLD MINING zinc