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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421534088502001 44N 3E-25.7c1

Boone County, Illinois
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.

Period of record
Begin Date End Date Levels
1901-01-01 1993-07-20 4

 
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