TWO GLACIAL STAGES IN ALASKA 



753 



striated and subangular bowlders were found imbedded in it, so 

 tliat no suspicion can be entertained that the glaciated bowlders 

 were deposited upon the surface at this place by a later glacier. 



<iM 



Fig. 3. — Close view of a tiliite bed 



In the particular part of the section measured, and shown in 

 Fig. I, there are nine beds ot tiliite, ranging from 4 to 30 feet in 

 thickness, and one bed of uncemented glacial till, much covered by 

 waste from above, but apparently at least 200 feet in thickness. 

 Probably no other portion of the section would be Hke that figured, 



