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||Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Historic Sites, Historic Mines, Water, Lakes||
View of Quincy smelter as seen from the Houghton side of Portage Lake. Cupola building on left with stack; reverberation furnace in center with stack.
Scanned: October 2, 2008
||Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Water, Lakes||
Map showing the property of the Isle Royal Copper Company. [Map key highlights the surface owned by the company, 57.84 Acres, and the Right of Way only. Attention is also paid to the stamp sands, and how they have extended into Portage Lake over the course of several years.]
Scanned: July 19, 2012