U. S. GEOLOGICAL SURVEY 



Professional paper no. 20 pl. Vi 



A. TOPOGRAPHY OF JOHN RIVER VALLEY IN ENDICOTT MOUNTAINS. 

 From near south edge of Fickett series ; looking S, 60° E., into Skagit formation. 



B. GLACIATED SIDE SLOPES OF JOHN RIVER VALLEY IN ENDICOTT MOUNTAINS 



Looking N. 15° E. 



