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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420145088103301 41N 9E-23.5g3

Cook County, Illinois
Latitude  42°01'45", Longitude  88°10'33" NAD27
Land-surface elevation 821 feet above NGVD29
The depth of the well is 1,410 feet below land surface.

Period of record
Begin Date End Date Levels
1964-08-29 1964-08-29 1

 
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