darton.] NEW JERSEY. 79 
Additional data for tlie record are as follows: 
Feet. 
700-716 fine gravel, sand, shell, and thin clay seams. 
716-736 alternations of clay, gravel, sand, and shell, and thin clay 
seams. Water at 720 feet, 25 gallons per minute. 
736-755 brownish sand with wood. 
755-800 coarse brown sand and water. 2 
Ocean Grove, Monmouth County. — The first well was 6 inches in diam- 
eter and yielded a supply of 60,000 or 70,000 gallons daily of sparkling, 
pure, and wholesome water. The following beds were penetrated : 
Feet. 
18 sand and gravelly earth. 
30 black clay for 12 feet. 
69 black clay and grains of greensand, 10 feet; black clay, 34 feet. 
82 lighter colored clay and grains of greensand. 
92 light-colored clay, 4 feet, and pure greensand grains. 
102 light-colored clay, 2 feet, and line-grained stone, light colored. 
110 clay, light colored and plastic. 
132 clay, ash colored and flaky. 
146 clay, ash colored with fragments of light-colored stone. 
155 light ash-colored clay. 
177 darker ash-colored clay. 
185 black clay, coarse and free from mica. 
195 black clay, micaceous. 
210 black clay, micaceous, flue. 
229 black clay, micaceous, fine. 
241 black clay, micaceous, coarse and rough. 
268 sand, compact and greenish. 
280 broken shells and fragments of Terebratula harlani= Middle Marl. 
300 grains of greensand and few shells. 
303 dark greenish clay, compact. 
322 dark greenish clay, sandy. 
337 dark greenish clay, sandy. 
360 greensand and calcareous earth. 
382 greensand grains, open sand, and BeJemnitella mucronaia. 
397 petrified stratum, 1 foot thick. 
404 clay for the last 6 feet. 
420 open sand for the last 16 feet. 
But little water was found until a depth of 382 feet was attained, 
when the water rose to a height of 18 or 20 feet above the surface. At 
this depth a 4-inch pipe was placed in the well so as to hinder loss by 
leakage and to shut out surface water, which might otherwise find its 
way down the outside of the pipe. Then the drilling was resumed and 
the well deepened 38 feet. The flow was increased in quantity and the 
water rose to a height of 28 feet above the surface. The temperature 
of the water was 60°. It is clear and colorless, and contains 8.5 cubic 
inches of carbonic acid to the gallon. An analysis of the water made 
2 L. Woolman, in New Jersey report for 1893, pp. 398-399. 
