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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 412009088423501 33N 4E-13.2c1

Lasalle County, Illinois
Latitude  41°20'09", Longitude  88°42'35" NAD27
Land-surface elevation 670 feet above NGVD29
The depth of the well is 1,450 feet below land surface.

Period of record
Begin Date End Date Levels
1987-03-25 1987-03-25 1

 
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