USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Cook County, Illinois

Hydrologic Unit Code 07120004

Latitude 42°02'58", Longitude 87°55'05" NAD27

Drainage area 13.2 square miles

Gage datum 633.53 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1971-06-21	2024-09-09	446

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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: 2024-12-04 03:38:07 EST
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