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DESCRIPTION:

Latitude 42°05'03",   Longitude 87°59'44"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1555 feet
Hole depth: 1555 feet
Land surface altitude: 709.00 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1941-10-28	1941-10-28	1
Field/Lab water-quality samples	1941-10-01	1965-04-01	8
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