258 ASSINNIBOINE AND SASKATCHEWAN EXPEDITION. 



Height in 

 Feet. 



Distance 

 in Feet. 



ft 



ft 



163-53 



1000 



215-00 



1450 



251-74 



1650 



283-78 



2550 



468-19 



3300 



472-60 



5920 



490-00 



6180 



474-00 



7400 



395-00 



8640 



348-00 



8712 



Margin of Beaches. 



Beginning of 1st plateau, 

 Termination of do. 

 Beginning of 2nd do. 



End of 2nd plateau, and commencement of sand bank. 

 Commencement of 3rd plateau. 

 End of 3rd plateau. 



Summit of level and commencement of 4th plateau. 

 End of 4th plateau, and commencement of descent to 



edge of cliff. 

 End of descent. 



Bottom of cliff, and level of Great Dog Lake. 



Here then we have a terrace 490 feet above Little Dog 

 Lake, or 853 feet above Lake Superior, or 1453 feet 

 above the sea, and furnishing an admirable proof of the 

 value of Dr. Hitchcock's expectation that higher beaches 

 than those measured by Sir William Logan on the shores 

 of Lake Superior would be found in that region. In his 

 Surface Geology, Dr. Hitchcock says, page 63 (Smith- 

 sonian Contributions), " I will only add, that if it be ad- 

 mitted that the facts adduced in this paper prove the 

 presence, since the Drift period, of the ocean at a height 

 of 2000 or even 1200 feet, above its present level, then it 

 must have extended over nearly all ' of our western 



* This section was kindly furnished me by Mr. Napier, the engineer to 

 the Bed Kiver Expedition, 1857. 



