NE-SAW-JE-WON 



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photo by Michigan Deportment of Conservation 



PLATE 6.— POINTE AUX BARQUES, SEA CAVES AND ARCHES 



CUT IN THE MARSHALL (MISSISSIPPI AN ) SANDSTONE OF THE ALGONQUIN 

 shore; HURON COUNTY, THUMB OF MICHIGAN. 



could have followed all the way on the mainland — to be 194 

 feet higher. The elevation of this beach at Port Huron is 

 607 feet above sea level, at Mackinac 801 feet, near Munising 

 in the Northern Peninsula 948 feet — 341 feet higher than at 

 Port Huron; and on Keweenaw Peninsula west of Calumet 

 it is at 1,080 feet, rising to 1,100 feet near Mohawk and to 

 1,110 feet near CHff. If we follow the beach eastward from 

 Port Huron to the Kirkfield outlet, we find ourselves gradu- 

 ally mounting higher, until at Kirkfield, Ontario, the beach 

 is 883 feet above sea level — 276 feet above its Port Huron 

 elevation. North of Georgian Bay evidence of the beaches 

 shows that the country has been lifted 600 to 700 feet. The 

 Algonquin beaches near Grand Bend, Ontario, on the eastern 



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