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DESCRIPTION:

Latitude 42°02'17",   Longitude 87°55'39"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1800 feet
Hole depth: 1800 feet
Land surface altitude: 655.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1959-09-19	1959-09-19	1
Field/Lab water-quality samples	1959-09-01	1983-04-18	5
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