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DESCRIPTION:

Latitude 41°38'32",   Longitude 87°32'36"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 14 feet
Hole depth: 14 feet
Land surface altitude: 588.20 feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Sand (Holocene and/or Pleistocene)" (110SANDP) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1992-06-23	1992-06-23	1
Field/Lab water-quality samples	1993-06-14	1998-09-01	3
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