BBTCK YARDS 195 



Gouverneur, St Lawrence Co. The brick yard of G. R. Thomp- 

 son is situated east of village and on the eastern bank of the 

 Osgewatchie river. The clay bank rises to a height of 10 feet 

 above the river and the section exposed is : 



Sand 4 feet 



Gray clay 8 " 



Blue " , 6 " 



18 " 



A Martin soft mud brick machine is used and the bricks are 

 dried under sheds. The product finds a ready sale on the local 

 market. 



A pallet yard has recently been started at this locality. 



Carthage^ Jefferson Co. Wrape & Peck. The brick yard and 

 clay pit are situated in the Black River Valley near the town of 

 Carthage. The clay deposit which is several hundred acres in 

 extent and about five feet thick is of a gray color with streaks of 

 brown. The bricks are molded in wet mud machines and put in 

 steam dryers. Local market consumes most of the product. 



Potsdam. D. W. Finnimore's brick yard is situated a few 

 rods outside of the village limits. The clay is of a blue color and 

 six to eight feet deep. It is overlain by one to two feet of dark 

 sandy soil and underlain by gravel. The yard is equipped with 

 a Quaker soft mud machine, and a Kells & Son's dry press 

 machine. The product is used locally. 



Watertown, Jefferson Co. At the north end of the town on 

 Main street are the works of the Watertown Pressed Brick Co. 

 They have about 20 acres of clay, red in color, horizontally 

 stratified and averaging about 20 feet in thickness. It is under- 

 lain by Trenton limestone. The tempering sand has to be carted 

 nearly three miles. Analysis of the clay shows : 



Silica 64.39 



Alumina 4 . 40 



Peroxide of iron 5 . 00 



Lime 3.60 



Magnesia 1.31 



Alkalies 4. 66 



Water and organic matter H . 64 



100.00 



