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Title:  

Geology, hydrology, and water quality of the Cambrian and Ordovician systems in northern Illinois

 
 Volume/Number:  1985  
 Issuing Agency:   
 Description:  Cambrian and Ordovician strata provide much of the groundwater supplyfor approximately 250 municipalities and 150 industries in the northern halfof Illinois. This report represents the cooperative effort of the IllinoisState Water Survey, Illinois State Geological Survey, and U.S. GeologicalSurvey to provide a current hydrogeologic evaluation of this water resource. 
 Date Created:  9 24 2004 
 Agency ID:  COOP-10 
 ISL ID:  000000000796   Original UID: 999999993857 FIRST WORD: Geology,