unesI DETAILED RECORDS. 81 
Lower Pennsylvania coal measures — Continued. p eet . 
Soft dark shale 187 ■ ■ 202 
Hard dark sandstone 202 - 202. 5 
Soft gray shale mixed with lime 202.5- 238 
Soft black shale; with pyrite 282-301 238 - 308 
Gray sandy shale r 308 - 322 
Gray sandy limestone 322 - 352 
Devonian and Silurian limestone: 
Hard gray limestone 352 - 650 
Light-blue limestone 650 - 670 
White limestone 670 - 730 
Gray limestone 730 - 760 
Maquoketa: 
Light-green shale 760 - 833 
Hard gray limestone . . . ■ 833 - 850 
Hard light-green shale 850 - 915 
Hard browm shale 915 - 940' 
Hard drab shale 940 - 949 
pralena limestone: 
Dark-brown limestone 949 - 970 
Gray limestone 970 -1, 030 
Brown and white limestone 1, 030 -1, 050 
Brown limestone 1, 050 -1, 073 
Rig used, pole tools. Diameter of well, 12 inches to 174 feet; 10i inches 174 to 
52 feet; 8| inches 352 to 954 feet; 6 inches from 954 to 1,073 feet. Hole practically 
ry to 475 feet, where water rose to within 300 feet of mouth of well. Water fresh, 
great amount. Main supply from 954 to 1,073 feet. Well pumps 80 gallons a 
linute. 
52. Well at Streator, Lasatte County, III. 
[Begun September 5, 1902; completed November 15, 1902. Authority, H. W. Hambreoht, driller.] 
Feet. 
ellow clay - 5 
hale 5 - 8 
Ijjfoal 9 - 13.5 
ale 13.5- 15 
rick and tile clay 15 - 20 
lue shale 20 90 
lue and brown shale 90 - 95 
oal, good quality 95 - 99. 5 
lue shale : 99. 5- 172. 5 
rown and blue shale 172. 5- 185 
oal, best 185 - 187 
rick and tile clay •. - 187 - 195 
r hite limestone 195 • • 385 
Peter' s sandstone ; water in lower part not good 385 - 596 
lue shale 596 • 620 
rown limestone; very good water 620 - 706 
adison sandstone; slightly salty water 706 - • 834 
rown limestone; soft water 834 -1 , 056 
1 mdstone; water 1, 056 -1 , 096 
imestone 1, 096 -1, 115 
lEight-inch pipe from to 195 feet; 6-inch pipe from to 620 feet; 6-inch hole from 
Oto 1,115 feet. 
Bull. 264—05 6 
117.0 
