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DESCRIPTION:

Latitude 41°41'19",   Longitude 87°36'31"   NAD27
Cook County, Illinois   , Hydrologic Unit 04040001

Well depth: 21 feet
Hole depth: 21 feet
Land surface altitude: 590 feet above NGVD29.
Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer.
Well completed in "Sand Clay (Holocene and/or Pleistocene)" (110SDCL) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1993-06-16	2014-06-05	8
Field/Lab water-quality samples	1993-06-16	1993-06-16	1
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