Milling Methods and Costs of the Cardinal Gold Mining Co., Bishop Creek, Calif |
Common terms and phrases
accidents attributed ADVANCED MINE RESCUE amount arsenopyrite artificial respiration assay office ball mill belt bins Bishop Creek Bureau of Mines carbon monoxide Cardinal Gold Mining cause Circular 33 classifier overflow compressor contact with trolley conveyor cost crew cyanidation detection detector Dorr thickener Draeger drill electrical equipment equipment and circuits fatal feeder fires and explosions flame safety lamp flotation concentrate flow froth gas mask gases grinding unit ground wires high-grade concentrate horsepower inches INFORMATION CIRCULAR installed jaw crusher material metal methane method Midvale Miners Minus 48 Number of accidents Orsat apparatus ounces gold therein oxygen breathing apparatus patient percent Pine oil portland cement pounds procedure pulp pyrrhotite quartzite reagents repair REPORT HAS SERVED rescue and recovery RESCUE TRAINING COURSE rod mill rubber-lined pumps sack samples seals self-contained oxygen breathing shipment Smelter square feet sulphides tailing pond tons milled trolley wire types underground UNITED STATES DEPARTMENT Unsealing Mine Fires voltage wollastonite