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DESCRIPTION:

Latitude 42°01'21",   Longitude 87°55'32"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1845 feet
Hole depth: 1845 feet
Land surface altitude: 654.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1962-08-29	1962-08-29	1
Field/Lab water-quality samples	1962-09-01	1972-11-25	3
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