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DESCRIPTION:

Latitude 41°35'20",   Longitude 87°50'50"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1712 feet
Hole depth: 1712 feet
Land surface altitude: 720.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1972-12-01	1972-12-01	1
Field/Lab water-quality samples	1972-12-01	1981-03-17	5
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