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DESCRIPTION:

Latitude 42°07'34",   Longitude 87°54'10"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1338 feet
Hole depth: 1338 feet
Land surface altitude: 638.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1978-04-14	1978-04-14	1
Field/Lab water-quality samples	1978-04-13	1987-09-30	5
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