Copper mining in Michigan - Document - PDFSEARCH.IO

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Date: 2012-04-04 12:13:44 Houghton County Michigan Copper Nonesuch Shale Copper Range Company White Pine Michigan Keweenaw Peninsula Copper mining in Michigan Native copper Ore Geography of Michigan Michigan Upper Peninsula of Michigan		Add to Reading List Source URL: www.epa.gov Download Document from Source Website File Size: 231,75 KB Share Document on Facebook

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