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DESCRIPTION:

Latitude 41°32'07",   Longitude 87°38'48"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1777 feet
Hole depth: 1777 feet
Land surface altitude: 650.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1966-02-10	1966-02-10	1
Field/Lab water-quality samples	1966-05-01	1983-01-25	7
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