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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 410308089030401 30N 1E-24.2f

Marshall County, Illinois
Latitude  41°03'08", Longitude  89°03'04" NAD27
Land-surface elevation 663 feet above NGVD29
The depth of the well is 1,820 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
1987-05-06 1987-05-06 1

 
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