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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420406088000701 42N11E-31.7a1

Cook County, Illinois
Latitude  42°04'06", Longitude  88°00'07" NAD27
Land-surface elevation 698.00 feet above NGVD29
The depth of the well is 1,801 feet below land surface.
The depth of the hole is 1,810 feet below land surface.

Period of record
Begin Date End Date Levels
1975-09-13 1975-09-13 1

 
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