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DESCRIPTION:

Latitude 42°20'38",   Longitude 88°14'29"   NAD27
Mchenry County, Illinois   , Hydrologic Unit 07120006

Well depth: 180 feet
Hole depth: 180 feet
Land surface altitude: 760 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	1955-08	1955-08	1
Field/Lab water-quality samples	1985-08-20	1985-08-20	1
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