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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420610087544201 42N11E-23.2e1

Cook County, Illinois
Latitude  42°06'10", Longitude  87°54'42" NAD27
Land-surface elevation 651.00 feet above NGVD29
The depth of the well is 1,350 feet below land surface.
The depth of the hole is 1,350 feet below land surface.

Period of record
Begin Date End Date Levels
1967-11-30 1967-11-30 1

 
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