16 ICE RECESSION IN NEW ENGLAND 



17. — Continued 



B, — The western clay pit. 



5 feet coarse sand. 

 4 feet disturbed silty varve clay. 

 Clay with good lamination. 

 Depth to bottom unknown. 



Series measured: 3889-3966, 3890-3966, (3967-3988, 



3967-3973)- 



18. — 4 miies SSW of Northampton (railroad station), Mass., 

 1 mile E of Easthampton, brickyard on the road and the 

 brook. 



Lamination is very fine, but several zones are strongly dis- 

 turbed. One measurement extends to 5 feet below the 

 brook. Depth to substratum is unknown. 



Series measured: 4228-4327, 4254-4324, 4304-4327, 

 4342-4440, 4342-4413, 4342-4375, 4497-4610, 4715-4755, 

 4766-4845, (4846-4965, 4853-5104). 



19. — 1>2 mile SW of Northampton, brickyard at the southwest- 

 ern edge of the city, on the railroad and the trolley line to 

 Easthampton. 



8 feet varve sand with lenses of sand, not measured. 



Silt, sandy near the top since deposited in too shallow water, 



varves 5243-5490. 

 Fat clay with very good lamination, though with many slidden 



zones. 

 Depth to bottom unknown. 



Series measured: 4556-4618, 4571-4885, 4591-4620, 

 4673-4743, 4652-4834, 4768-4826, 4785-4813, 4785- 

 4813, 4785-4813, (5243-5490). 



20. — \% mile WNW of Northampton, brickyard off Elm Street 

 at the junction of Florence and Bay State roads. 



3 feet sand. 



2 feet weathered and disturbed varve clay. 

 \]/2 feet clay, no varves, not connected with the normal 

 curve. 



