Smithsonian Report. 1935. — Atwood 



Plate 2 



1. Looking Southeast From a Point Above and to the West of the Devils 



Backbone. 



The remarkable U-shaped valley of Sun Creek, visible in the photograph, is the re.sult of glacial scour 

 immediately preceding the collapse of Mount Mazama. 



Official photograph, U. S. Aniiy Air Corp.s. 



2. Crater Lake from Above the Clouds. 



On the far side of the rim the U-shaped valleys of Sand and Sun Creeks are visible. In the background 

 lies the valley of the Klamath River. 



