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SMITHSONIAN MISCELLANEOUS COLLECTIONS 



[vol. 47 



I. Victoria Glacier. 

 I. Nourishment. — Because of its activity and varied phenomena 

 this glacier, lying between Lake Louise and Alt. Victoria, is of especial 

 geological interest and some six weeks' time was devoted to its study. 

 Starting from Abbott's Pass, upon the continental divide, with an 

 elevation of 9,400 feet above tide, it flows to the north and then 

 northeast for a distance of three miles and before wasting away 

 reaches an altitude of some 6,000 feet. About one mile back from 

 its nose it receives a tributary, the Lefroy glacier, from the south- 

 east which is fed by the snow that accumulates upon either side of 

 the Mitre and the eastern shoulder of Lefroy. Plate lx 1 shows the 



Fig. 64. — The making of avalanche cones, Victoria glacier. Photographed by 



De Forrest Ross. 



relation of this tributary to the main stream. The nearness of the 

 medial moraine to the right lateral (the glacier's right) shows that 

 the Lefroy is contributing relatively little ice but most of the rock 

 debris with which the lower part of the Victoria is completely 

 mantled. The extensive snowfield upon the eastern slope of Ah. 

 Victoria, receiving an annual fall of 20 to 25 feet, is avalanched into 

 the narrow valley lying between All. Lefro) and Alt. Victoria and 

 this is the chief source of supply for the Victoria, it being, to a large 



'Reproduced here through the courtesj of tin- Detroit Photographic Co. 



