SMITHSONIAN CONTRIBUTIONS TO KNOWTF I)( ;R— SHERZER. 



PLATE XXVIII. 



l-l,-,. y. — Kiu>ll?, and ridges of groiind-morainic material in fioni of Voliu lilacier. Sugijebtive of 

 frontal moraines of latest ice sheets in North America and Europe, 



Ci.llie. Baker. 



\V.ipiitik snowlield. 



Fig. 2.— General view looking up Yoho Valley, showing VVapta and Waputik snowflelds. Photographed, 1904, by 

 Arlluir O. Wheeler, from summit of Mt. Wapta (9,960 feet). Looking north-northnest. 



