652 



THE ILLINOIS GLACIAL LOBE. 



The following table serves to illustrate the depth and character of 

 drift in the deep wells in the portion of the county outside the Valparaiso 

 system : 



Wells in Will County outside the Valparaiso morainic system. 



Owner or location. 



Altitude 

 <al>ove tide) 



Depth. 



West border T. 37, R. 9 E . 



East half of T.37, R.9E. 

 T.35.R.9E 



County Infirmary, T. 35, R. 9 E. 



Sec. 36, T. 35, R. 9 E 



Sec. 7, T. 34, R. 10 E 



Sec. 25, T.34, R.9E 



Joliet Mound, sec 19, T. 35, 

 R. 10 E. 



NE. corner T. 35, R. 10 E 



El wood tile factory 



Sec. 13, T. 34, R. 10 E 



Sec. 14, T. 34, R. 10 E 



Sec. 20, T. 34, R. 10 E 



Sec. 24, T. 34, R. 10 E 



Sec. 26, T. 34, R. 10 E 



Sec. 32, T. 34, R. 10 E 



Sec. 34, T. 34, R. 10 E 



Sec. 21, T. 33, R. 10 E 



Sec. 6, T. 33, R. 10 E 



Sec. 16, T. 33, R. 10 E 



Sec. 34, T. 33, R. 9 E 



AVilmington anil vicinity 

 Braidwood 



2 miles east of Braidwood . 



600 



630 

 560 



Feet. 

 130 



Wells on Minooka Ridge penetrate till 80 feet, be- 

 neath which is sand extending to rock at about 

 130 feet. 



Wells usually enter rock at about 20 feet; drift 

 gravelly. 



Gravelly drift between Dupage and Des Plaines 

 River; wells at about 30 feet. 



Mainly through gravel. 



Till with thin sand beds. 



Flowing well, mainly till. Thought not to enter 

 rock. 



Yellow till, 20 feet; blue till, 40 feet; limestone, 6 

 feet. 



Cobble and gravel, 4:> feet; clay, 15 feet; limestone 

 at bottom. 



Wells 90 to 110 feet; mainly till ; no rock. 



Till, with thin beds of gravel. Neighboring wells 

 enter rock at 50 feet. 



Till to rock, at 32 feet. 



Drift, mainly till; rock at 28 feet. 



Mainly till; rock at 75 feet. 



Till, 20 feet; sand, 9 feet; till to rock (9 feet). 



Till, 17 feet; sand, 5 feet; till to rock (10 feet). 



Rock at bottom. 



Mainly till; rock at bottom. 



Drift, mainly till, 49 feet; limestone, 41 feet. 



Mainly till; rock at bottom. 



Yellow till, 12 feet; blue till, 40 feet; uo rock. 



Till, 13 feet ; sand, 18 feet. 



AVells 20 to 40 feet, from gravel. 



Wells 18 to 40 feet; sand, 15 or 20 feet; blue clay, 

 20 or 25 feet. 



Sand, 20 feet ; blue clay, 20 feet ; remainder rock, 

 180 feet. 



