80 RECORD OF DEEP WELL DRILLING FOR 1904. [bull. 264. 
42. Well at Belvidere, Boone County, III. 
[Begun April 9, 1903; completed May 23, 1903. Authority, II. \Y. Hambrecht, driller.] 
Feet. 
Quicksand - 40 
Fine gravel 40 - 90 
Coarse gravel 90 - 1 22. 5 
( J ray limestone 122. 5- 355 
St. Peter's sandstone, coarse and honeycombed, water-bearing 355 - 574 
Red marl and limestone 574 - 608 
Brown limestone 008 - 043 
Brown shale 043 - 71<S 
Sandstone — water of good quality 718 - S34 
Red marl 834 ■ 854 
Blueshale 854 984 
White sandstone, honeycombed rock, water-bearing 984 -1,070 
Blue shale 1 , 070 -1, 168 
Postdam sandstone, soft water 1, 108 -1, 231 
Well ended in bine shale. Total depth, 1,231 feet. Ten-inch drive-pipe, to lJ 
feet; diameter of hole 8 inches from 125 to 008 feet; 0.} inches from 00S to 1,231 feet 
/';. Well at Naperville, Dupage County, III. 
[Begun Augusl 31, L903; completed January 19, L904. Authority, H. W. Hambrecht, driller.] 
Feet. 
I nark soil 0- 
Sand and gravel 4- 1 
Bine shale 10- 1 
Loose rolling rock 18- 2 
White limestone 21 - 23 
Bine shale 237- 32 
White limestone , 320- 04 
St. Peter's sandstone; water, hard and soft in streaks 040- 7S 
Hlne shale 792- 3] 
Brown limestone 830 9, r 
Bine shale 950-1 , If 
Gray limestone — water-bearing rock full of crevices 1,152-1,41 
Ten-inch drive pipe from to 117.5 feet; diameter of hole, 8 incites from 117.5 || 
836 feet; (i 1 , inches from 836 to 1,425 feet. 
47. Well in SE. \ of NW. J sec. 32, T. 15 N. (U miles west of Kewanee), HeA 
County, III. 
[Begun September 9, 1904, completed November 21, 1904. Record and samples furnished l»y 
L. Nichols, driller. Geologic divisions made by E. O. Ulrich.J 
Feet. 
Yellow clay - 10 
Yellow clay, sandy 10 - 20 
Lower Pennsylvania coal measures: 
Blue sandy clay 20 - 36 
Soft drab shale 36 - 85 
Coal H~-> - 86 
S< >ft drab shale 86. 5- 92 
Hard gray sandstone 92. 5- 93 
S, ,ft drab shale 93. 5-1 72 
Coal and shale 1 72 -184 
Coal 184 -187 
