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DESCRIPTION:

Latitude 42°06'37",   Longitude 87°57'45"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1778 feet
Hole depth: 1778 feet
Land surface altitude: 686.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1967-09-28	1967-09-28	1
Field/Lab water-quality samples	1967-10-01	1980-09-17	7
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