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DESCRIPTION:

Latitude 42°23'16",   Longitude 88°23'24"   NAD27

Mchenry County, Illinois, Hydrologic Unit 07120006

Drainage area: 83.2 square miles

Datum of gage: 819.78 feet above   NGVD29.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Peak streamflow	1978-07-03	1979-03-19	2
Field/Lab water-quality samples	1990-06-21	1990-06-21	11
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