GLACIERS 



129 



Fit;, i.}.:. The medial moraine of the Roseg Glacier, Switzerland. 



When a valley glacier descends through its valley to a plain 

 beyond, its end spreads. If the deploying ends of adjacent glaciers 

 merge, the resulting body of ice constitutes a piedmont glacier ( Fig. 

 !.-;/>) Piedmont glaciers are confined to high latitudes. In some 



Pacific Ocean, 



M;tlaspina Glacier, a piedmont Khuior in Alaska. (After Russell.) 



