CLAYS OF ^^EW YORK 735 



Silica 61.01 



Ahimina 19.23 



Peroxid of iron 5 . 43 



Lime .96 



Magnesia . . . . • 1.88 



Alkalis ; ' 4. 60 



93.11 



Adjoining Jones's yard is that of Ci^ossman Bros. It is leased by 

 William Hammond. Tlie clay in liis bank is similar to that of 

 Jones. The yard is also an open one, steam power being used for 

 running the machines; the tempering is done in rectangular pits. 



FresJipond, Suffolk co. This locality is about 4 miles east 

 of ISTorthport on the north shore of the island. There are two 

 yards, about a mile apart. The most eastern belongs to Gr. Long- 

 bottom. It is situated some 500 feet from the shore and about 50 

 feet above Long Island sound. The clay bank is about 200 feet 

 west of the yard and at the same level. A section in the summer 

 of 1892 showed 



Sand and gravel 4 feet 



Eed sandy clay 8 " 



Eed clay 6 " 



The overlying sand and gravel is stratified and dips east. It is 

 screened for tempering. Carts are used for hauling the clay to the 

 machines. Molding sand is obtained from Hackensack. The clay 

 and sand are shoveled directly into a vertical pug-mill, from which 

 they pass to the molding machine. Coal dust is also added in tem- 

 pering. The product is loaded on cars, run down to schooners at 

 the dock and shipped to Connecticut. Adjoining Longbottom's 

 yard is the inactive plant of Provost. 



