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DESCRIPTION:

Latitude 41°48'46",   Longitude 87°51'51"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 2008 feet
Hole depth: 2008 feet
Land surface altitude: 629.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1945-11-13	1945-11-13	1
Field/Lab water-quality samples	1908-02-01	1945-11-01	3
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