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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 413815087504301 36N12E- 3.5d1

Cook County, Illinois
Latitude  41°38'15", Longitude  87°50'43" NAD27
Land-surface elevation 705.00 feet above NGVD29
The depth of the well is 1,706 feet below land surface.
The depth of the hole is 1,706 feet below land surface.

Period of record
Begin Date End Date Levels
1979-02-07 1979-02-07 1

 
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