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DESCRIPTION:

Latitude 41°37'16",   Longitude 87°45'17"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1701 feet
Hole depth: 1701 feet
Land surface altitude: 672.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1959-12-11	1959-12-11	1
Field/Lab water-quality samples	1971-03-01	1974-08-22	4
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