Fishek. — River Terraces. 
PLATE 4. 
Various left-hand swings of the West River since the ice age. 
Fig. 3 (like figures 1 and 2) represents a more or less hypothetical position 
of the river in the early stage of terrace pattern. 
Fig. 4 represents a later swing of the river, showing compressed meanders. 
Positions of the river have been located by the existing scarps. 
Elevations above mean sea level. Dotted lines represent possible 
changes in the course of the river. 
