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DESCRIPTION:

Latitude 41°44'42",   Longitude 87°32'57"   NAD27
Cook County, Illinois   , Hydrologic Unit 04040002

Well depth: 33 feet
Hole depth: 33 feet
Land surface altitude: 587 feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Niagaran Series" (355NIGR) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1992-06-23	2014-06-05	8
Field/Lab water-quality samples	1993-06-17	1993-06-17	1
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