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Groundwater levels for Illinois

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USGS 405809090213001 11N 1E- 2.6d1

Knox County, Illinois
Hydrologic Unit Code 07080104
Latitude  40°58'09", Longitude  90°21'30" NAD27
Land-surface elevation 787.5 feet above NGVD29
The depth of the well is 2,473 feet below land surface.
The depth of the hole is 2,473 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 405809090213001 11N 1E- 2.6d1
Breaks in the plot represent a gap of at least one year between field measurements.
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