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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 413432087470501 36N13E-30.5b2

Cook County, Illinois
Latitude  41°34'32", Longitude  87°47'05" NAD27
Land-surface elevation 700 feet above NGVD29
The depth of the well is 915 feet below land surface.

Period of record
Begin Date End Date Levels
1915-01-01 1915-01-01 1

 
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