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DESCRIPTION:

Latitude 42°15'37",   Longitude 88°17'42"   NAD27
Mchenry County, Illinois   , Hydrologic Unit 07120006

Well depth: 280 feet
Land surface altitude: 920 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	1986-11-18	1986-11-18	1
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