WELLS OF KENDALL COUNTY, ILLINOIS. 



645 



entered at less than 50 feet, but occasionally a well reaches a depth of 90 

 feet without entering it. Three wells in sees. 11 and 12, T. 35, R. 7 E., are 

 48, 50, and 90 feet in depth without reaching rock, and the water has a head 

 nearly level with the surface. The altitude is about 40 feet lower than at 

 Lisbon, or 600 feet above tide. 



The following list of wells along the Marseilles moraine include the 

 deepest of which records were obtained. Many shallower wells occur 

 which obtain water at depths of 30 to 40 feet or less. The sections are 

 taken in order, beginning at the northeast corner of the county and passing 

 southwestward : 



Wells on the Marseilles moraine in Kendall County. 



GRUNDY COUNTY. 



GENERAL STATEMENT. 



Grundy County is situated east of Lasalle County and includes the 

 head of the Illinois River. It has an area of 440 square miles, and Morris 



