Copper mining in Michigan - PDFSEARCH.IO - Document Search Engine

Copper mining in Michigan
Results: 27

#	Item
21	The Story of The Ontonagon Copper Boulder* by Hope Pantell Add to Reading List Source URL: www.michigan.gov Language: English - Date: 2012-12-07 19:59:26 Ontonagon County Michigan Ontonagon Lewis Cass expedition Upper Peninsula of Michigan Copper Native copper Copper mining in Michigan Geography of Michigan Michigan Ontonagon Boulder
22	Industrial Calumet for pdf.indd Add to Reading List Source URL: www.nps.gov Language: English - Date: 2006-07-19 10:05:54 Copper National Register of Historic Places in Michigan Upper Peninsula of Michigan Calumet and Hecla Mining Company Houghton County Michigan Keweenaw National Historical Park Alexander Emanuel Agassiz Keweenaw Peninsula Hecla Geography of Michigan Michigan Agassiz family
23	PDF Document Add to Reading List Source URL: www.michigan.gov Language: English - Date: 2012-12-07 20:02:01 Copper mining in Michigan Upper Peninsula of Michigan Mining Iron ore Cliffs Natural Resources Ore dock Minesota Mine Calumet and Hecla Mining Company Geography of Michigan Mining in the United States Michigan
24	PDF Document Add to Reading List Source URL: www.michigan.gov Language: English - Date: 2012-12-07 19:56:15 Copper Agassiz family Houghton County Michigan Copper mining in Michigan Calumet and Hecla Mining Company Quincy Mine Mining Tamarack mine Keweenaw Peninsula Geography of Michigan Michigan Upper Peninsula of Michigan
25	PDF Document Add to Reading List Source URL: www.michigan.gov Language: English - Date: 2012-12-07 19:59:15 Upper Peninsula of Michigan Copper Houghton County Michigan Agassiz family Calumet and Hecla Mining Company Copper mining in Michigan Mining Keweenaw Peninsula Minesota Mine Geography of Michigan Michigan Mining in the United States
26	PDF Document Add to Reading List Source URL: www.epa.gov Language: English - 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
27	PDF Document Add to Reading List Source URL: pdfhost.focus.nps.gov Language: English - Date: 2008-03-18 03:19:24 Houghton County Michigan Copper Agassiz family Calumet Historic District Houghton micropolitan area Calumet and Hecla Mining Company Calumet Downtown Historic District Keweenaw Peninsula Hecla Geography of Michigan Michigan National Register of Historic Places in Michigan

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