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DESCRIPTION:

Latitude 41°48'39",   Longitude 87°53'58"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 1600 feet
Land surface altitude: 678 feet above NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1959-10-28	1959-10-28	1
Field/Lab water-quality samples	1957-06-04	1987-12-14	6
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