ON THE CIRCULATION OF UNDERGROUND WATERS. 
Feet 
239 
246 
247 
248} 
250 
251 
254 
262 
266 
268 
272 
274 
280 
290 
293 
304 
306 
310 
321 
332 
334 
336 
42 
00 
402 
405 
417 
418 
4183 
4934 
426 
432 
434 
454 
457 
460 
472 
486 
565 
575 
Coarse red sandstone grit , . . 
Hard conglomerate - : : 
Yellow sandstone ; : : . 
Red and yellow marls . 
Hard conglomerate 
Red marl 
Red sandstone ¢ , 
Hard conglomerate : - 
Red sandstone 
Hard red marl 
Red sandstone 3 z 
Red marl ; . 
Very hard red sandstone 
Red sandy marl 
Red marl 
Red sandstone 
Hard red marl 
Red sandstone 
Reddish-yellow sandstone, water. 
Red sandy marl, with white ar 
Hard red marl ; 
Hard red conglomerate : 
Hard brown and white mottled sandstone 
Red marl with ‘ fish Gir 
Mottled marl 
White sandstone . 
Red ee 
Hard grey sandstone 
Mottled marl 
Reddish-grey sandstone 
White sandstone 
Red marl 
Hard red sandy marl 
Hard conglomerate 
Hard coarse white grit. 
Hard red sandy marl 
Greyish-red sandstone 
Red sandstone. 
Red marl with ‘ fish eye: es’ 
Red sandstone fy 
Feet 
20 
teleno[e 
| coal 
a 
AWN RE PHEW OAON RW ROWH MR Ry 
— or 
WWOM AN OO KH be te WO 
bie 
bie 
371 
The saline water was tapped in the lowest bed of sandstone, under 
the 79 feet of marl. 
Size of bore-hole 24-inch, 21-inch, and 18-inch. 
Test Yields of Water from Boring at the Coventry Water Works. 
Galls. per 
Hour. 
1886, June 26 ey 
July 13 2,497! Yield of well before boring commenced ; 
sy ae 5,600 8,400 gallons last test. 
Aug. 14 7,472 
Oct. 15 10,323 Bore-hole 115 feet deep. 
1887, Mar. 
6 14,880 Bore-hole 216 feet deep. 
» 30 15,000 Bore-hole 264 feet deep. 
Nov. 20 7,200 (Natural flow into the filter beds.) Bore hole, 
1888, Jan. 
400 feet deep. 
2 17,320 
» 21 20,000 (5223 feet deep.) At level of bottom of 
100 feet tank. 
» 15,376 Rising from 6 feet to § feet in tank. 
