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YouTubeMichigan Rocks & Minerals
21 Million pounds of Copper! The Michigan Mine Site in Rockland, MI The Michigan Mining Co formed in 1899, 5 shafts made up the Mine. It produced over 21mil lbs of refined copper. The Michigan Mine was know to produce nice specimens of both copper and silver. Lava flows of basalt, andesite, and felsite. Follow other pages instagram.com/funintheup instagram.com/upperpeninsulawaterfalls instagram.com/stevejurmu | Upper Peninsula of Michigan
0:30
21 Million pounds of Copper! The Michigan Mine Site in Rockland, MI The Michigan Mining Co formed in 1899, 5 shafts made up the Mine. It produced over 21mil lbs of refined copper. The Michigan Mine was know to produce nice specimens of both copper and silver. Lava flows of basalt, andesite, and felsite. Follow other pages instagram.com/funintheup instagram.com/upperpeninsulawaterfalls instagram.com/stevejurmu | Upper Peninsula of Michigan
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Michigan's Lost Copper: The Ancient Mystery of America's Vanished Metal
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Float Copper - Rafted by Glaciers during the last ice age, which formed and filled the Great Lakes, unearthed by metal detecting in Michigan’s Upper Peninsula. #Michigan #copper #metaldetecting #geology | Michigan Rocks & Minerals
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Hunting for Old Copper Mines in Michigan Ep: 1
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Copper Bookends. #michigan #copper #minerals
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Copper Finds From Old Mines
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The Minesota Mine
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Why Did These Ancient People Abandon Copper?
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