"^SB&'iSta&i* 



Pig. 9- 



Exposure of the Bridgeton formation in the railroad cut at Folsom, Atlantic 

 County, showing a cobble bed in the middle of which there are large slabs 

 of red shale and pieces of crystalline rock. Twenty feet of coarse Bridgeton 

 sand overlies the gravel. The upper part is largely of local origin. Cohansey 

 sand underlies the Bridgeton formation. 



Pig. 10. 



Bridgeton formation resting upon white 

 formation, near Downer, Gloucester County, 

 two formations. 



glass sand of the Cohansey 

 Note the wavy contact of the 



