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DESCRIPTION:

Latitude 42°10'34",   Longitude 88°16'46"   NAD27
Mchenry County, Illinois   , Hydrologic Unit 07120006

Well depth: 165 feet
Hole depth: 165 feet
Land surface altitude: 820 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	1957-11-01	1985-03-15	4
Field/Lab water-quality samples	1984-04-18	1992-06-10	12
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