210 
ARTESIAN WELLS ON THE ATLANTIC COAST. 
[bull. 138. 
ness of from 30 to 80 feet, and its more loamy portions are the ''lied 
Hills." Its eastern extension lias not been traced, but it is thought to 
be the same as some of the younger Pliocene marls. 
COLUMBIA FORMATION. 
This is a thin capping, mainly of sands and loams, which covers the 
lower lands and appears to extend as high as 400 feet or more in 
the higher region, giving rise to some portions of the u Sand Hills" 
districts. 
WELLS IN SOUTH CAROLINA. 
List of deep wells in eastern and southern Soutli Carolina. 
Locality. 
Depth. 
Diame- 
ter. 
Capacity 
per minute. 
Height 
to which 
water 
rises, a 
Remarks. 
Aiken 
Bamberg : 
30 wells 
Feet. 
558 
65-100 
j- 470 
1 495 
I 520 
I 555 
Inches 
8-6 
Gallons. 
50 
Feet. 
—170 
In granite; water also at 543 
feet. 
2 
2 
2 
40 
35 
35 
40 
+ 15 
+ 20 
+ 12 
+ 30 
Beaufort : 
Coosaw Company 
800 
63 
120 
(-3,970 
1, 945 
j 1, 950 
1 2,000? 
109 
1 1,260 
380 
425 
465 
375 
475 
450 
323 
460 
347 
160 
327 
1,215 
182 
200 
420 
121 
220 
6 
— 15 
Bluffton. (See May s River.) 
21 
5 
6-4 
250 
170 
800 
(?) 
Many. 
Many. 
+ 4 
Flowed. 
+ 25 
Small. 
Saline water. 
Chisholm's Mill 
Ashepo Company 
60 
To surface. 
Abandoned in boring. 
Stopped at rock. 
Not any. 
30 
100 
To surface. 
- 20 
- 24 
10—8 
608 to 1,335 feet in Newark 
Do 
sandstone; waters also at 
600 and 800 feet. 
Man y. 
Many. 
170 
Few now. 
Florence, Machine Shop 
Grahamville, 2 wells 
Do ... 
Small. 
6 
Flows. 
Do. 
Well is 164 feet deep. 
Water at 170 feet. 
a +, feet above surface; — , feet below surface. 
