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DESCRIPTION:

Latitude 41°31'49",   Longitude 87°40'39"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1722 feet
Hole depth: 1722 feet
Land surface altitude: 654.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1971-11-04	1971-11-04	1
Field/Lab water-quality samples	1971-11-18	1983-01-12	7
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