BULL. GEOL. SOC. AM. 



VOL. 28, 1916, PL. 37 



Figure 1. — Jefferson Ravine,, a hanging glacial Cirque 



Figure 2. — Crawford Notch, a very Symmetrical glacial Trough 



The bench in the middle distance is probably to be correlated with the so-called Cretaceous peneplane, 

 above which the main peaks of the White Mountains rise as monadnocks 



TYPES OF GLACIAL TOPOGRAPHY IN THE WHITE MOUNTAINS 



