Terminal 

 jaoraine 



Tarraces. 



62 J GEOLOGICAL SURVEY OP CANADA. 



Big River at thirty feet chute S. 86° W. 



On portage to Kahipikamow.Lake S. 78° W. 



On portage from Kahipkiamow Lake S. 62° W. 



Portage to Masquacuiwi (top of hill) S. 60° W. 



Portage to Mishiminewaten Lake S. 63° W. 



On Mishiminewaten Lake S. 63° W. 



At Rapid to Kabimichati wan Lake S. 85° W. 



Portage to Pospiskagami Lake S. 62° W. 



Island in Pospiskagami Lake S. 63° W. 



1st Portage on Great Whale River below Pospiskagami 



Lake N. 75° W- 



Half a-mile below the last N. 60° W. 



Portage two miles below the last N. 70° W. 



One mile below the last N. 70° W. 



On Portage past eight foot fall in long gorge two and a- 



half miles below the last N. 82° W. 



On portage at rapid at head of Indian portage route • N. 80° W. & N. 35° W. 



On portage past sixty foot fall N. 70° W. 



At Forks • N. 68° W. 



On hill top, on two mile portage past canon N. 77° W. 



On lower end of two mile portage past canon N. 68° W. & N. 50° W. 



On last portage Great Whale River N. 65° W. 



At foot of portage from Gulf Lake up Wiachtiwan River. S. 83° W. 



On dyke at top of hill, on portage from Wiachitiwan 



River N. 70° W. 



On portage from 3rd lake above the last W. 



On the long lake of 2nd tribntary S. 85° W. 



At lower end of same lake S. 80" VV. 



On height of land portage to Clearwater branch R. 85° W. 



On last portage to Clearwater River S. 77° W. 



At portage past upper rapid on large island in the Clear- 

 water River W. 



At island in Natwagami Lake S- 85° W. 



On hill two miles below the outlet of Clearwater Lake- • ■ S. 7S° W. 



On top of island in Clearwater Lake 260 feet above the 



lake :.... S. 78° W. 



During some long period between the time of extreme glaciation and 

 the close of the period of ice, the glacier did not extend beyond the 

 middle of James Bay, and there, in a terminal moraine, deposited great 

 quantities of sand, clay and boulders, part of which form the present 

 unstratitied drift islands, before described in detail in this report. 



The evidence of stratified deposits of marine sands and clays along 

 the valleys, near the mouths of the rivers on the east side of Hudson 

 Bay, shows that a subsidence of the land of over five hundred feet (and 

 probably nearly seven hundred feet) took place after the period of 

 glaciation ; since then the land has been slowly rising, with periods of 

 quiet, as shown by the terraces cut out of the drift along the high land 

 of the coast. 



