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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 413149087403901 35N13E-12.2b1

Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  41°31'49", Longitude  87°40'39" NAD27
Land-surface elevation 654.00 feet above NGVD29
The depth of the well is 1,722 feet below land surface.
The depth of the hole is 1,722 feet below land surface.
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Graph of groundwater level data at USGS 413149087403901 35N13E-12.2b1
Breaks in the plot represent a gap of at least one year between field measurements.
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