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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 415221087484601 39N12E-13.4e1

Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  41°52'21", Longitude  87°48'46" NAD27
Land-surface elevation 623 feet above NGVD29
The depth of the well is 2,012 feet below land surface.
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Graph of groundwater level data at USGS 415221087484601 39N12E-13.4e1
Breaks in the plot represent a gap of at least one year between field measurements.
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