U. S. GEOLOGICAL SURVEY 
BULLETIN NO. 272 PL. VI 
RANGE. 
From Williams-own, Mass., looking east. In the upper half of the mass the lines dipping gently to the south 
the sides of pitching folds of quartzite which pass under the limestone of the valley. The horizontal 
bench is a glacial lake terrace resting on a moraine. 
B VIEW OF HAYSTACK MOUNTAIN, PAWLET, VT. 
Looking north; the central part of a very open syncline of schist. Photograph by Charles D. Walcott. 
