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DESCRIPTION:

Latitude 41°34'34",   Longitude 87°47'05"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 800 feet
Land surface altitude: 700 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1938	1938	1
Field/Lab water-quality samples	1923-12-04	1972-05-23	5
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