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DESCRIPTION:

Latitude 42°03'00",   Longitude 87°59'00"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1775 feet
Hole depth: 1780 feet
Land surface altitude: 712.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1970-06-30	1970-06-30	1
Field/Lab water-quality samples	1972-04-10	1982-11-30	7
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