131 NEW YORK STATE MUSEUM 



Mr W. Kreischer informed me that the clay at Kreischerville 

 occurs in isolated masses or pockets in the yellow gravel and 

 sands. If such is the case, and if these beds, as is usually sup- 

 posed, are a continuation of the New Jersey ones, they must be 

 explained as follows: Either the original beds have been torn 



Overthrown anticline of Yellow Gravel, Fingerboard Road, Clifton, S. I. 



apart by the ice which bore down on them, or else they have been 

 deeply eroded by the currents which deposited the overlying 

 sands and gravels. 



The writer favors this latter view. 



A boring made on the site of Kreischer's fire brick factory 



showed 



Sand and soil 30 feet. 



Blue clay 90 " 



White sand 2 " 



Sand and clay alternating 78 " 



Total thickness 200 " 



Next to the church at Kreischerville is a bank of stratified sand 

 standing some 40 feet back from the road. It appears to have 

 been dug away considerably, but Mr Kreischer informed me that 

 there was once a large mass of clay at this spot which was sur- 

 rounded by the sand. To the north of this near the shore is a 

 bank of blue stoneware clay overlain by yellow laminated sand, 

 and southeast of the church is a similar bank, but the clay is of 

 a more sandy nature. A third opening is opposite Kilmeyer's 



