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DESCRIPTION:

Latitude 41°32'07",   Longitude 87°33'00"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1827 feet
Hole depth: 1827 feet
Land surface altitude: 613.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1972-03-08	1972-03-08	1
Field/Lab water-quality samples	1975-10-08	1979-12-13	4
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