LOCATION.--Lat 48×35'03", long 100×51'44", in SW14NW14 sec.22, T.159 N., R.79 W., McHenry County, Hydrologic Unit 09010005, 60 ft downstream from county highway bridge, 0.8 mi downstream from Little Deep River, and 6.3 mi west of Upham.
PERIOD OF RECORD.--October 1957 to September 1980, March 1985 to current year (seasonal records only since 1985).
GAGE.--Water-stage recorder. Elevation of gage is 1,430 ft above National Geodetic Vertical Datum of 1929, from topographic map.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in April 1951 reached a stage of about 16 ft, discharge, 2,700 ft3/s, from information by local residents.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, 512 ft3/s, June 17, gage height, 11.13 ft; no flow for many days.
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