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DESCRIPTION:

Latitude 42°04'53",   Longitude 87°58'33"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: not determined.
Hole depth: 1525 feet
Land surface altitude: 680.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1946-04-14	1946-04-14	1
Field/Lab water-quality samples	1946-06-13	1976-07-19	6
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