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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 74 



the ridge. (See fig. lo.) The section includes the Ozarkian Mens 

 formation down to the Lyell formation of the Upper Cambrian.^ 



A short visit was made to Glacier, B. C, where Mrs. Walcott 

 measured the recession of Illecillewaet glacier, which she began to 

 record in 1887. The recession the past four years has been at the 

 rate of 112.5 feet (34.29 m.) per year, and all of the lower rock 

 slopes are now free from ice. (See figs. 13 and 14.) 



Fig. 12. — Rocky Mountains Park trail on north side of head of Red Deer 



River, en route from Lake Louise to Douglas Lake canyon. 



Locality: Same as figure 2. 



On our way south from the Bow Valley no stops were made for 

 photography or geologic study until camp was made on the Kootenay 

 River about six miles (9.6 km.) below the mouth of the Vermilion 

 River. The Kootenay Valley is deep and broad, with the high ridges 

 of the Mitchell Range on the east and the Brisco Range on the west. 

 (Figs. 15 and 16.) In places the old river terraces extend for miles 

 along the river with a varying width. This greatly facilitated the 



' Explorations and Field-work of the Smithsonian Institution in 1919, p. 15. 

 Smithsonian Misc. Coll.. Vol. 72. No. i, IQ20. 



