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DESCRIPTION:

Latitude 41°30'01",   Longitude 87°31'31"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: not determined.
Land surface altitude: 625 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field/Lab water-quality samples	1987-08-26	1988-03-10	2
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