i8 ICE RECESSION IN NEW ENGLAND 



24. — 2 miles SE of Amherst, Mass., clay pit W of the railroad 



tracks. 



iy 2 feet till. 



2K feet crumpled clay. 



10 feet excellent varve clay. 



\% feet till. 



More than iK feet quicksand. 



Series measured: 4461-4668, (4450-4460). 

 As explained on page 79, the overlying till most 

 probably marks a readvance of the ice edge. Tl e 

 lower till may only represent a small readvance during 

 the winter following the deposition of the sand. 



25. — A few hundred yards SE of locality 24, clay pit at th Q 

 eastern railroad track. 



The clay is covered by 2^ feet of sand. Depth to bottom is 

 unknown. 



Series measured: 4537-4588, 4617-4685. 



26. — Greenfield, Mass., brickyard at the western edge of the 

 town, off Elm Street. 



Typical silty varve clay, although towards the top the winter 

 layers are so thin that some varve limits are difficult to 

 distinguish. Depth to substratum is unknown, but probably 

 not great. 



Series measured: 51 19-5500, 5128-5203 5220-5256, 

 533I-5365- 



-2 miles E of Greenfield, old brickyard E of Montague City, 

 on the highway running eastward. 



The silty clay is distinctly laminated. It is covered by 10 or 

 more feet of sand. Depth to bottom is unknown. 



Series measured: 5254-5456, (52 11-5253). 



