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DESCRIPTION:

Latitude 41°33'53",   Longitude 87°36'25"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1785 feet
Land surface altitude: 617 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Ironton-Galesville" (372IRGL) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1954-06	1954-06	1
Field/Lab water-quality samples	1954-10-21	1975-09-02	4
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