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Ropes Gold Mine Ore Prices Ishpeming Michigan

Ropes Gold Mine Ore Prices Ishpeming Michigan

2019117ensp0183enspImproved metallurgical methods and higher gold prices in the 1970s and 1980s attracted a 20 million redevelopment project to the Ropes mine which again began producing gold in the fall of 1985 The reopened mine produced until 1989 when a combination of low gold prices poor ore grade and a collapse of rock in the production shaft prompted

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