direct drive and belt drive turntables Some of these were the Ropes, Ely, Michigan, Krieg, Grayling, Gold Lake, Detroit, Ishpeming, Billings, Peninsula, Huronian, Sanson, Lake Superior, Fire Center, Coon and Negaunee Gold and Silver Co. The Detroit Gold and Silver Mining Co. Had located surface gold by blasting in five different locations and assays there […]
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