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DESCRIPTION:

Latitude 41°39'19",   Longitude 87°40'50"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120003

Well depth: 1649 feet
Land surface altitude: 636 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	1909-01-01	1909-01-01	1
Field/Lab water-quality samples	1914-01-01	1914-01-01	1
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