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DESCRIPTION:

Latitude 41°21'16",   Longitude 88°25'42"   NAD83

Grundy County, Illinois, Hydrologic Unit 07120005

Drainage area: 7,483.00 square miles

Datum of gage: 478.50 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2016-08-09	2021-05-08
Peak streamflow	2017-05-02	2020-05-19	4
Field measurements	2016-08-09	2021-03-23	26
Revisions	Loading...

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