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DESCRIPTION:

Latitude 41°48'28",   Longitude 87°54'35"   NAD27
Cook County, Illinois   , Hydrologic Unit 07120004

Well depth: 2046 feet
Hole depth: 2050 feet
Land surface altitude: 646 feet above NGVD29.
Well completed in "Cambrian-Ordovician aquifer system" (S300CAMORD) national aquifer.
Well completed in "Mount Simon Sandstone" (372MNSM) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1914-03-18	1914-10-01	2
Field/Lab water-quality samples	1914-04-19	1915-06-09	2
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