Stoping at Noranda

“STOPING at Noranda" is a sequel to "Mining at Noranda". "Mining at Noranda", presented in 1937 (1), sketches Noranda's history, metallurgical problems, exploration, mining methods, mining details, pillar extraction, and costs. "Stoping at Noranda" deals in greater detail with our stoping, the use of sub-level drifts instead of benches, and the drilling out of the stopes with jointed rock drill steel and diamond drills.
Keywords: Bits, blasting, diamond drilling, rhyolite, rock drill, stopes, Drifts, Drill, Drilling, Drills, stope, stopes, Stoping
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