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DESCRIPTION:

Latitude 42°01'58",   Longitude 87°57'25"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1961 feet
Hole depth: 1961 feet
Land surface altitude: 672.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1972-08-17	1972-08-17	1
Field/Lab water-quality samples	1975-02-03	1983-04-05	6
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