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DESCRIPTION:

Latitude 41°30'09",   Longitude 87°39'51"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1800 feet
Hole depth: 1800 feet
Land surface altitude: 675.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1946-10-25	1946-10-25	1
Field/Lab water-quality samples	1972-11-16	1983-03-02	6
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