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DESCRIPTION:

Latitude 41°32'55",   Longitude 87°40'30"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1764 feet
Hole depth: 1764 feet
Land surface altitude: 672.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1973-12-18	1973-12-18	1
Field/Lab water-quality samples	1973-12-18	1981-12-15	4
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