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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414033088000301 37N11E-20.5f1

Cook County, Illinois
Latitude  41°40'50", Longitude  88°00'05" NAD27
Land-surface elevation 600 feet above NGVD29
The depth of the well is 1,366 feet below land surface.
The depth of the hole is 2,284 feet below land surface.

Period of record
Begin Date End Date Levels
1895-01-01 1952-06-27 5

 
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