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DESCRIPTION:

Latitude 41°32'35",   Longitude 87°41'58"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1784 feet
Hole depth: 1784 feet
Land surface altitude: 706.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1970-12-23	1970-12-23	1
Field/Lab water-quality samples	1972-04-18	1983-01-12	6
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