330 



ELIOT BLACKW ELDER 



It is evident from their situations that they were deposited before 

 the adjacent canyons were cut. It is also patent that they are but 

 the last reHcs of the original moraines, of which the outlines and 

 catchment areas can no longer be seen. 



Fig. 46. — Sketch map showing distribution of remnants of old (Buffalo) drift on 

 the northwest side of the Teton Range. 



They may be regarded as drift deposited by a small glacier of 

 the Buffalo stage from the slope between Leigh and Teton creeks, 

 and subsequently almost destroyed by the spreading tributaries 

 of the larger canyons. It is also possible that they may represent 

 an earlier glaciation. , 



