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DESCRIPTION:

Latitude 41°39'28",   Longitude 87°59'57"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1723 feet
Hole depth: 1723 feet
Land surface altitude: 743.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1963-10-18	1963-10-18	1
Field/Lab water-quality samples	1963-11-01	1987-07-17	8
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