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DESCRIPTION:

Latitude 41°36'09",   Longitude 87°50'01"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1718 feet
Hole depth: 1718 feet
Land surface altitude: 722.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1979-06-19	1979-06-19	1
Field/Lab water-quality samples	1979-06-18	1982-03-15	6
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