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DESCRIPTION:

Latitude 42°02'04",   Longitude 87°54'50"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1437 feet
Hole depth: 1811 feet
Land surface altitude: 650.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1955-10-08	1955-10-08	1
Field/Lab water-quality samples	1955-10-01	1983-01-10	4
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