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Groundwater levels for Illinois

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! Important: Next Generation Monitoring Location Page

USGS 421301088513601 43N 3E-11.8d1

Boone County, Illinois
Latitude  42°13'01", Longitude  88°51'36" NAD27
Land-surface elevation 820 feet above NGVD29

Period of record
Begin Date End Date Levels
1993-07-21 1993-07-21 1

 
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