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DESCRIPTION:

Latitude 42°07'29",   Longitude 87°58'05"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1647 feet
Hole depth: 1647 feet
Land surface altitude: 689.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1970-08-22	1970-08-22	1
Field/Lab water-quality samples	1974-09-23	1982-11-30	4
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