502 CLAYS AND CLAY INDUSTRY. 



across the county line at Rosenhayn, in Cumberland county, and 

 similar beds very probably occur in southeastern Salem county. 



A considerable deposit of clay is recorded from Fort Mott on 

 the Delaware river.. 1 The section is as follows : 



Section at Fort Mott. 



Yellow sand and gravel 25 ft. 



Black sandy clay, 25 ft. 



Dark hard clay, 45 ft. 



Whitish clay, 17 ft. 



The material was penetrated in a boring. 



Clay-working Industry. — The clay products produced in Salem 

 county at the present time are building- brick and draintile. Stiff- 

 mud brick are manufactured from a mixture of Alloway clay 

 and surface loam, at Yorktown, by D. F. Haines. The product 

 shows up well on testing. Draintile are also made at this locality. 

 S. B. Sickler makes soft-mud common brick at Penton, and 

 common brick have been made at Salem. 



It would seem as if the clays of this county should form the 

 basis of a much more extensive clay industry. The Alloway 

 clay, as seen, from the tests given above, forms a good, red, dense 

 body, and should recommend itself not only for the manufacture 

 of brick, but also for the lower grades of pottery such as earthen- 

 ware and even stoneware. 



1 N. J. Geol. Surv., 1900, p. 131. 



