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Taking a peek at the Portage-Torch Lake Chain/Tom Rozich

Biological Bits

July 26, 2013
By Tom Rozich - For the Gazette , The Daily Mining Gazette

The Portage-Torch Lake Chain (PTLC), also known as the Keweenaw Waterway, connects Keweenaw Bay with Lake Superior, effectively creating an island. In 1865 the U.S. Government awarded 450,000 mineral acres to the Portage Lake and Lake Superior Ship Canal Company to construct two miles of channel to Lake Superior on the north and dredge a channel down to Keweenaw Bay. The 22-mile waterway was completed in 1874 and allowed expansion of copper mining through shipping.

 
 
 

 

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