﻿NO. I 



SMITHSONIAN EXPLORATIONS, I925 



Fig. 4. — Close up view of Tilted Mountain Cirque showing the limestones 

 of the Middle Cambrian Eldon formation thrust against the Devonian lime- 

 stones at the head of the Cirque. The locality is 8.5 miles (13.7 km.) in an 

 air line northeast of Lake Louise Station on the Canadian Pacific Railway. 

 (C. D. Walcott, 1925.) 



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Fig. 5. — Looking over Ptarmigan Lake and Bow Valley to the Mt. Victoria 

 massif, 12 miles (19.3 km.) southwest of Ptarmigan Lake. The mountains 

 in the vicinity of Lake Louise are finely shown in this view, also the rounded 

 hills and slopes of Pre-Cambrian rocks on the north side of Bow Valley. 

 The view was taken from south side of Skoki Pass on the southeast slope 

 of Fossil Miountain at 8,000 feet (2,438.4 m. ) elevation and 8 miles (12^9 

 km.) in an air line northeast of Lake Louise Station on tlie Canadian Pacific 

 Railway, Alberta, Canada. (C. D. Walcott, 1925.) 



