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DESCRIPTION:

Latitude 42°02'16",   Longitude 87°55'12"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1813 feet
Land surface altitude: 655 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	1946-12-01	1974-05-28	4
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