U.S. GEOLOGICAL SURVEY 
BULLETIN N0.272 PL. 
73°10 
A. MAP OF THE HOPPER AND MT. GREYLOCK 
73V 
'4 Table geer 
^ . Rock K n° 
o 
^ Skin ner 
Hollow 
9- 
I 

73 v 5 
£ 
MAP OF SKINNER HOLLOW ON MT. EqUINOX 
