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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414826087514201 38N12E- 4.1b1

Cook County, Illinois
Latitude  41°48'26", Longitude  87°51'42" NAD27
Land-surface elevation 631 feet above NGVD29
The depth of the well is 2,014 feet below land surface.

Period of record
Begin Date End Date Levels
1910-01-01 1910-01-01 1

 
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