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USGS 413031090120101 18N 3E-31.8e1
Well Site
DESCRIPTION:
Latitude 41°30'31", Longitude 90°12'01" NAD27
Henry County, Illinois , Hydrologic Unit 07090007
Well depth: 432 feet Land surface altitude: 680
feet above NGVD29.
Well completed in "Silurian-Devonian aquifers" (N400SLRDVN) national aquifer.
Well completed in "Silurian System" (350SLRN) local aquifer