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DESCRIPTION:

Latitude 41°28'17",   Longitude 90°19'37"   NAD27
Henry County, Illinois   , Hydrologic Unit 07090007

Well depth: 470 feet
Land surface altitude: 612 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	1986-10-21	1987-02-17	2
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