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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 421534088502001 44N 3E-25.7c1

Boone County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°15'34", Longitude  88°50'19" NAD27
Land-surface elevation 758.6 feet above NGVD29
The depth of the well is 1,860.0 feet below land surface.
The depth of the hole is 1,861 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ordovician-Cambrian Systems (367OVCB) local aquifer.
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Graph of groundwater level data at USGS 421534088502001 44N 3E-25.7c1
Breaks in the plot represent a gap of at least one year between field measurements.
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