34 ARTESIAN WELLS ON THE ATLANTIC COAST. [buix.138. 
Feet. 
101-113 reddish sand. 
113-139 coarse white sand. 
139-158 Avhite sand and gravel. 
158 peat. 
Well No. 3. 
0-30 reddish sand. 
30-64 white sand. 
61-87 blue clay. 
87-115 black sand. 
115-161 white sand with some gravel (water). 
161-176 peat. 
176-183 sand and gravel. 
Well No. 4. 
0-10 red sand. 
10-36 white sand and gravel. 
36-37 blue clay. 
37-50 dark or black sand. 
50-88 blue clay. 
88-105 black sand. 
105-106 blue clay. 
106-114 black sand, very fine. 
114-130 reddish sand. 
130-148 coarse sand and gravel (water). 
Calvary Cemetery. — This well was sunk through, drift and clay to and 
into the crystalline rocks to a depth of 582 feet. The water is soft, with 
only a little lime, magnesia, and chlorine in it. The yield is 70 gallons 
a minute. 
According to Mr. Elias Lewis, jr., 1 it had the following record: 
Feet. 
1-139 surface loam and drift. 
139-178 greenish earth. 
178-182 white clay with red steaks. 
182-582 gneiss. 
The greenish earth was found to be ferruginous, and on treatment 
with hydrochloric acid left a residue which under the microscope was 
seen to consist of fragments of kaolinized feldspar, with occasional 
grains of quartz sand. 
Nassau Gas Works, Williamsburg. — Mr. Lewis 1 also furnishes a 
record of the well bored at the works of this company, as follows : 
Feet. 
1-3 surface loam. 
3-5 quicksand (so called). 
5-75 bowlder clay, somewhat sandy. 
75-102 blue clay with pebbles. 
6 inches of oyster shells, underlain by a water-bearing quick- 
sand. 
F. J. H. Merrill, Geology of Long Island, N. Y. Acad. Sci. Annals, Vol. Ill, p. 346. 
