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DESCRIPTION:

Latitude 41°06'06",   Longitude 90°47'28"   NAD27
Mercer County, Illinois   , Hydrologic Unit 07080104

Well depth: 364 feet
Hole depth: 373 feet
Land surface altitude: 620 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	1952-06-16	1952-06-16	1
Field/Lab water-quality samples	1986-08-21	1986-08-21	1
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