USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Mercer County, Illinois

Hydrologic Unit Code 07080104

Latitude 41°11'13", Longitude 90°58'02" NAD27

Drainage area 445 square miles

Gage datum 529.13 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1939-03-12	2024-10-08	503

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2024-11-21 11:07:43 EST
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