728 NEW YORK STATE MUSEUM 



At Locy's yard, where borings show the clay to be 30 feet thick, 

 a red clay -Jso occurs. Yellow sand overlies the clay at several 

 points, which can be used for molding. The yards of Locy Bros, 

 and Townsend are open ones. At the Empire state co.'s yard tunnel 

 driers are used, the clay being mixed in a wet pan and then dis- 

 charged through an opening in the floor of the latter on an endless 

 belt which carries it up to the molding machine. The brick are 

 burnt in scove-kilns. 



Spencer, Tioga co. W. IT. Bostwick's yard is about a mile south 

 ol the village. The clay which is dug in a field adjoining the 

 works, is a tough reddish material 4 to 6 feet thick. It is under- 

 lain by sand and gravel. The bricks are dried on pallets and 

 burned in stationary up-draft kilns. 



Neiufield, Tompkins co. F. C. Campbell's brick yard is about 

 one mile north of the station along the Lehigh valley railroad. 

 Adjoining the yard is the clay bank which rises to a hight of about 

 50 feet. The clay is of a bluish color, and forms an enormous, 

 stratified, lenticular mass, which is imbedded in the terminal 

 moraine crossing the valley at that point. The upper portions 

 contain more sand. 



An analysis of this clay showed: 



Silica 51.30 



Alumina 12.21 



Peroxid of iron 3.32 



Lime 11.63 



Magnesia 4.73 



Alkalis 4.33 



Organic matter 1.50 



89.02 



ISTotwithstanding the high percentage of lime, whifeh gives the 

 brick its cream color, a very strong brick is produced. Covering 

 th. clay is several feet of yellowish stratified sand. Lime pebbles 



