U. S. GEOLOGICAL SURVEY 
BULLETIN NO. 275 PL. II 
A. RED SLATE WITH BED OF LIMESTONE AND GREEN SLATE. 
ilock of reddish slate from quarries 1| miles south of Hatch Hill, in Whitehall, N. Y., with bed of limestone 
bordered by green and purple slate, making a " ribbon," an inch in vertical thickness, crossing the cleavage 
diagonally. Scale on rule is 4 inches long. 
• 
<■ * ^*-*«** : " 
B. BED OF SANDSTONE RESTING ON SLATE. 
Horizontal bed of sandstone with calcareous concretions having their longer axes parallel to the bedding, over- 
lying greenish slate with cleavage dipping 20° and joints 45°. An irregular cleavage continues in the 
sandstone. Eddy Hill, Fair Haven, Vt. One foot of sledge handle is in sight. 
