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DESCRIPTION:

Latitude 41°39'15",   Longitude 87°37'13"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Land surface altitude: 601 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1994-11-03	1994-11-03	1
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