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1925 MINING JOURNAL-PRESS albite American andalusite anticline Ariz average bauxite Boston Bureau of Mines carnotite cars cent charge chute coal concentrates Consolidated conveyor copper cost crude Curb N. Y. Curb cyanide deposits Diesel engine dike district dividend drill equipment feldspar flotation furnace gold grade high-grade hoist important increase industry installed Japan July June lead limestone loading London machine magma magnesite material ment mesh metal miles mill minerals MINING JOURNAL-PRESS Vol months N. Y. Curb nickel operations orebodies output oxide pegmatites petroleum pig iron plant platinum production profit pyrite quartz quotations recently refined refinery rock Salt Lake sample shaft shale Shipments short tons silver sinter smelter Smelting spodumene steel sulphur supply tank thickener Tintic tion tonnage Tonopah tons Toronto United Utah valuation vanadium vein week York zinc