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LOCATION.-- Lat 42°18'33", long 88°15'05" (NAD of 1927), in NW1/4 sec.12, T.44 N., R.8 E., McHenry County, Hydrologic Unit 07120006, on left bank of main channel, 30 ft downstream from Stratton Lock and Dam, 2.5 mi downstream from McHenry, and at mile 97.8. |
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DRAINAGE AREA.-- 1,250 mi2. |
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PERIOD OF RECORD.-- |
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STAGE: October 2002 to current year. |
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GAGE.-- Water-stage recorder and phone telemeter. Datum of gage is 730.15 ft above NGVD of 1929. |
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REMARKS.-- Stage regulated by Stratton Lock and Dam. |
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EXTREMES FOR PERIOD OF RECORD.-- |
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STAGE: Maximum gage height, 6.34 ft, May 27, 2004; minimum, 0.28 ft, Sept. 4, 2003. |
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Table of Contents |
Introduction |
Station Descriptions |
Surface-Water Data |
Ground-Water Data |
Meteorological Data |
Biological Data |