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DESCRIPTION:

Latitude 41°32'25",   Longitude 87°35'55"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1785 feet
Hole depth: 1785 feet
Land surface altitude: 623.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1969-05-13	1969-05-13	1
Field/Lab water-quality samples	1969-07-01	1983-02-15	8
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