202 RECORD OF DEEP-WELL DRILLING FOR 1905. 
Record of well at Claxton. 
Feet. 
Orange and red pebbly sand with ferruginous nodules 0- 3 
Stiff red clay 3- 10 
Fine white sand; water bearing, with a lit( le white clay 10- 60 
Soft "shell formation" 60- 70 
Brownish-gray sandy marl 70-120 
Stiff blue marl 120-145 
Tough gray rock 145-155 
Gray sandy marl ( probably •j.i-ax sandy clay) 155-175 
Very hard gray rock 175 1 SO 
Soft blue marl 180-220 
Very hard rock 220-225 
Tough marl 225-250 I 
Very hard rock. 250-270 | 
Brownish-gray sandy marl 270-310 
Hard white rock 310 350 
Fine white sand 350-365; 
Hard brownish limestone 365-370 l 
Hard brownish-gray marl 370 3S0 
Hard gray rock 380 400 
Marl and rock 400 152 
I lard rock . 452-460 i 
shell formation; " water-bearing 460 505 
Hard brownish limestone and dark -gray shale 505-510 
Brownish limes: one with soft layers; wale, -hearing 510-546 ji' 
Rig used, jet. Diameter of well, 8 inches. Length of easing, 452 feet. Water stands 
80 feet below surface. Well yields 3 gallons per minute for each fool head is depressed. 
Presenl yield LOO gallons per minute. Temperature, 75° F. 
ILLINOIS. 
Ztiii. Well near Mount Sterling, Brown County. 
[Well begun September 1. 1905; completed September 20, L905. Authority, Joseph Simmons, jr., con 
I ractor. Samples preserved.] 
The rocks penetrated by this well belong chiefly, if not wholly, to the Pennsylvanian o | 
Goal Measures series of the Carboniferous. The limestones and limy shale below 201 
feet may belong to the MississippiaD series. 
Record of well in sec. 1, 3 miles west of Mount Sterling. 
Feet, i 
Soft gray, slightly limy shah 1 30- 5 
Soft reddish and light-brown limy shale 55- 7 
Soft dark-gray, slight ly limy shale. 75-12 '■ 
Soft dark-gray and greenish shale 120-13 > 
Soft black and gray limy shale 135-16 < 
Soft brownish, slighl ly limy shale 165-17 ) 
Soft red and dark-gray limy shale 170-18 *j 
Hard white shaly limestone 180-18 »• 
Soft cream-colored limy shale _ 195-2C ); 
Soft gray limestone 200-22 )| 
Soft greenish limy shale 225-2; i 
Rig used, cable. Diameter of well, 5| inches. Main supply of water from below 21 
feet. Water rises within 80 feet of surface Well yields by pumping 2 gallons per minut i 
