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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 413255087403001 35N13E- 1.1d1

Cook County, Illinois
Latitude  41°32'55", Longitude  87°40'30" NAD27
Land-surface elevation 672.00 feet above NGVD29
The depth of the well is 1,764 feet below land surface.
The depth of the hole is 1,764 feet below land surface.

Period of record
Begin Date End Date Levels
1973-12-18 1973-12-18 1

 
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