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DESCRIPTION:

Latitude 42°09'32",   Longitude 87°55'15"   NAD27
Lake County, Illinois   , Hydrologic Unit 07120004

Well depth: 280 feet
Hole depth: 280 feet
Land surface altitude: 648 feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1952-10-01	1952-10-01	1
Field/Lab water-quality samples	1985-09-24	1985-09-24	1
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