32 ARTESIAN WELLS ON THE ATLANTIC COAST. [bull. 138. 
Feet. 
132-144 reddish sand. 
144-213 reddish sand and gravel. 
213-218 tough, whitish clay. 
218-246 reddish sand. 
246-298 clay containing pebbles. 
298-315 light-bluish clay. 
315-358 clay with rootlets. 
358-375 fine sand and clay. 
375-385 clay, wood, and vegetable matter. 
385-417 grayish sand. 
417-419 light- bluish clay. 
419-430 sandy clay. 
430-433 bluish clay. . 
433-436 white clay. 
436-443 light-gray sand. 
443-456 dark-gray sand. 
456-460 coarse white beach sand. 
460-475 clay, pebbles, and beach sand intercalated. 
475-480 clean gravel. 
480-500 sand and gravel. 
500-510 quartz, sand, and gravel. 
510-515 grayish sand. 
515-518 clay or marl ( ?). 
518-540 dark clay. 
540-556 gray micaceous sand. 
556-577 gneiss rock. 
Mr. E. Lewis, jr., 1 gives the additional information that the well was 
35.6 feet above high tide, and reports qnicksand with lignite at 417 
feet; 3 feet of blue clay at 436 feet; fine quicksand 7 feet, and coarse, 
clayey sand, 13 feet, to 456 feet; sandy clay, 460 to 470 feet; very 
tough, light-colored clay, 523 to 545 feet; coarse, clayey saud, 545 to 556 
feet. The beds from 1 to 213 feet are regarded as Pleistocene. 
Barntim Island. — This well was a quite deep one, but a satisfactory 
water supply was not obtained. 
Samples of the borings are preserved in the museum of the Long 
Island Historical Society. They are as follows : 
Feet. 
0-5 gravel and sand. 
5 fine, 1 ight-brown sand. 
15 small gravel. 
22 argillaceous sand with mica. 
29 coarse gravel. 
29-63 sand and small gravel. 
63 gravel and sand. 
70 fine, light-buff sand. 
74 dark-gray sand. 
75 lignite fragments. 
95 gray clay. 
113 gray clay. 
126 coarse sand and gray gravel. 
'Am. Jour. Sci., 3d ser., Vol. XXXVII, p. 233, 
