Smithsonian Report. 1952.— Gurney 



Plate 4 



Two Views of ice Cliff and Lake in August 1951, Showing Shelf of Ice 

 under Curved Ice cornice to the right 



In 1952 the shelf was gone and the curving layers beneath the cornice were approached 

 only by using a boat. Photographs by Dr. Irving Friedman, U. S. Geological Survey. 



