Fedewa_Copper - 4 From 1843 to the 1920's, the Upper...

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4 From 1843 to the 1920's, the Upper Peninsula was the only place on earth  where pure, workable native copper was found in commercial quantities.  The  copper found on Lake Superior came out of the ground so free of adulterants that  it could be thrown into the furnace without refining or processing.    But how did  copper mining go from a small scale activity to a heavily capitalized large scale  industry? In 1820 while leading an expedition through the Upper Peninsula,  Michigan Territorial Governor General Lewis Cass visited the Ontonagon  Boulder, a large piece of float copper along the Ontonagon River.   Then in 1837 the Upper Peninsula is added to Michigan after the state  relinquishes its claim to land around Toledo to Ohio.   Then shortly after in 1840 Douglass Houghton, state geologist of  Michigan, published a report on the geology of the Upper Peninsula and 
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This note was uploaded on 07/17/2008 for the course HIST 111 taught by Professor Boggs during the Spring '08 term at Lansing.

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Fedewa_Copper - 4 From 1843 to the 1920's, the Upper...

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