Redpath breaks record again

Redpath Raiseboring has achieved another record-breaking hole, this one the longest raisebore hole ever accomplished in the Northern Hemisphere and in all of the Americas. The achievement was recorded in late May at Kirkland Lake Gold’s Macassa mine in Ontario, Canada. “This concludes the first of the planned twin, 12-foot diameter ventilation raises extending from surface down to 5617 Level,”…

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