BY A. N. I.KVVIS, M.C, LL.B. 



33 



The head of the Broad River Valley is here shaped like 

 a horseshoe, cutting into the southern ridge of the plateau. 

 Its southern end — its apparent source, although more water 

 is collected elsewhere — lies in a cirque which has cut into 

 the watershed. On the western side of its head lie Lakes 

 Dobson and Seal in considerable cirques. On the eastern 

 side at roughly the same level, and approximating in posi- 

 tion to the two former lakes, lies Lake Fenton. 



The problem of Lake Fenton is — "Why does its over- 

 flow not follow the main drainage flow of the plateau? 



The solution is obviously to be found in the glacial origin 

 of the lake, but in investigating this it can be seen that 



^'.aK i'N.H 



mt. 



