Driving Methods at the Myrtle Group

CIM Bulletin1942
THE Myrtle group of mining claims is situated on Barkerville mountain in the Cariboo mining district of British Columbia, west of the old mining town of Barkerville. An 1,800-foot adit, known as the Shamrock tunnel, was driven in 1935-36 from the Barkerville road and in the general direction of the Myrtle group.
Keywords: adit, Barkerville, diesel engine, mucking, quartzites, Drill, Drilling, Drills, Maintenance, steel, Steels, Timbering, Tunnels
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