IS5' I?;'" '2S" i2(^ 115" 



jraji of tlic rifistocone Conlillfian Glacier, after Dr. G. M. Dawsim.— The sliort 

 eurveil liiu-s indicate tlie glacial margin ami niovenieiit. The long Mack 

 line i>n Kast side of the Uocky Mountains, the lindt of lioulders from the 

 I.aurentian. 



