A Large Blast at the Hidden Creek Mine

CIM Bulletin1934
CONSIDERABLE attention has of late been given to the blasting of large amounts of ore in one operation, on account of the saving in labour and explosives and consequent low cost per ton, and also on account of the additional safety to employees.
Keywords: Anyox Plan, BLAST, broken, ohms, volts, Blast, Circuit, Circuits, Cost, Costs, Drifts, Electrical, Explosives, Labour
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