NE-SAW-JE-WON 



Photo by Michigan Department of Conservation 



PLATE 14.— GRAND MARAIS DUNES 



ON THE NIPISSING BEACH OVERLOOKING LAKE SUPERIOR. 



high above, and in the other depressed it below the present 

 water level. At Port Huron the Nipissing beach is 595 feet 

 above sea level; it rises to 631 feet on Mackinac Island, to 

 651 feet at Sault St. Marie, and to 710 feet at Peninsula 

 Harbour on the North Shore of Lake Superior. In early 

 Nipissing time the northern part of Keweenaw Peninsula was 

 an island, but Lake Nipissing built a bar across the mouth of 

 the separating strait, connecting the island to the mainland 

 and ponding the waters back into Torch and Portage lakes. 

 Man has cut a canal through the bar and reproduced the old 

 strait. 



During the existence of the Nipissing lakes the water in 

 the St. Clair basin was at so low a stage that perhaps even the 

 swamps were drained by the sluggish river that flowed past 



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