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DESCRIPTION:

Latitude 41°43'57",   Longitude 87°50'14"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1608 feet
Hole depth: 1608 feet
Land surface altitude: 686.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1962-05-25	1962-05-25	1
Field/Lab water-quality samples	1962-06-01	1965-01-01	5
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