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DESCRIPTION:

Latitude 42°01'28",   Longitude 87°58'54"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1415 feet
Hole depth: 1415 feet
Land surface altitude: 710 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1959-11-05	1959-11-05	1
Field/Lab water-quality samples	1961-12-06	1974-06-16	2
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