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DESCRIPTION:

Latitude 41°52'21",   Longitude 87°48'46"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 2012 feet
Land surface altitude: 623 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1901-01-01	1901-01-01	1
Field/Lab water-quality samples	1915-06-28	1915-06-28	1
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