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Groundwater levels for Illinois

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USGS 411146090525001 14N 4W-19.1f1

Mercer County, Illinois
Hydrologic Unit Code 07080104
Latitude  41°11'46", Longitude  90°52'50" NAD27
Land-surface elevation 685 feet above NGVD29
The depth of the well is 440 feet below land surface.
The depth of the hole is 465 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Niagaran Series (355NIGR) local aquifer.
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Graph of groundwater level data at USGS 411146090525001 14N 4W-19.1f1
Breaks in the plot represent a gap of at least one year between field measurements.
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