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DESCRIPTION:

Latitude 42°20'47.23",   Longitude 88°17'39.75"   NAD83
Mchenry County, Illinois   , Hydrologic Unit 07120006

Well depth: 131 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/Lab water-quality samples	1986-11-13	2011-06-29	2
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