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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414846087515101 38N12E- 4.2e1

Cook County, Illinois
Latitude  41°48'46", Longitude  87°51'51" NAD27
Land-surface elevation 629.00 feet above NGVD29
The depth of the well is 2,008 feet below land surface.
The depth of the hole is 2,008 feet below land surface.

Period of record
Begin Date End Date Levels
1945-11-13 1945-11-13 1

 
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