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Geological Map - Isle Royale Copper Co. |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Geological Map of the property of Isle Royale Copper Co. Scanned: May 29, 2009 |
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Map - Garden City Mining Company |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
The description of land belonging to the Garden City Mining Company. The S.W. 1/4 of Sec. 20 and the N 1/2 and the S.W. 1/4 of the S.W. 1/4 of Sec. 29. Township No 58 North of Range No. 31 West. Houghton County State of Michigan. [Blueprint drawing of the Garden City Mining Company.] Scanned: June 24, 2008 |
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Old Hancock Mine - Workings in Plane of Hancock Fault |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Old Hancock Mine Workings in Plane of Hancock Fault - Peninsula Engineers & Mining Contractors. Scanned: August 13, 2010 |
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Geological Profile of Quincy Mine 7 Level Adit |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Geological Profile of Quincy Mine 7 Level Adit M.T.U. Experimental Mine Scanned: September 29, 2009 |
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Map of the Quincy Smelting Works |
Engineering, Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Smelting Works Scanned: June 2, 2015 |
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Map of Quincy Smelting Works and Vicinity |
Geography, Maps, Engineering, Metal Trade, Copper Industry and Trade, Copper Mines and Mining |
Quincy Smelting Works and Vicinity Scanned: June 2, 2015 |
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Map of the Pewabic Vein |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Longitudinal section along Pewabic Vein from the Pontiac purchase to the shore of Portage Lake. Stoped during December, 1906 in red. Stopes filled in yellow. Scanned: December 14, 2009 |
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Map - Isle Royale Copper Company |
Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, |
Revised Feb. 14, 1918. Map of Entire Surface Isle Royale Copper Company. Scanned: January 16, 2009 |
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Map - North American Mining Co. |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Map showing Pitssburgh and Boston Mining Company, Cliff Mine and North American Mining Co. Scanned: March 22, 2010 |
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Map - Cliff Mine |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Geography, Maps, |
Map Sec. 2 1-4S Sec. 1 - T.57 N., R. 32 W. Scanned: March 22, 2010 |