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DESCRIPTION:

Latitude 42°24'10",   Longitude 87°54'18"   NAD27
Lake County, Illinois   , Hydrologic Unit 07120004

Well depth: 285 feet
Hole depth: 285 feet
Land surface altitude: 675 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	1957-04-01	1975-04-01	2
Field/Lab water-quality samples	1985-08-19	1985-08-19	1
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