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metallic ore mining in northern wisconsin

Background the crandon site was the location of one of several deposits of metallic sulfide ore found in northern wisconsin during the s, and its estimated million tons of copper, zinc and other metallic sulfides was thought to hold the highest potential for profit three sites in all were proposed for digging from the outset, environmental groups opposed the process of extracting

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Praha is a leader in the mining industry, mainly with sand and gravel equipment, milling equipment, mineral processing equipment, building materials equipment, etc..

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