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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405258087365501 28N11W-28.8c2

Iroquois County, Illinois
Latitude  40°52'58", Longitude  87°36'55" NAD27
Land-surface elevation 673 feet above NGVD29
The depth of the well is 170 feet below land surface.
The depth of the hole is 235 feet below land surface.

Period of record
Begin Date End Date Levels
1945-04 1945-04 1

 
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