LOCATION.--Lat 46×51'06", long 101×15'10", in SW14 sec.14, T.139 N., R.84 W., Morton County, Hydrologic Unit 10130203, on right bank 40 ft downstream from bridge on county highway, 2 mi northeast of Judson, and 16 mi upstream from mouth.
PERIOD OF RECORD.--August 1951 to September 1979, June 2002 to current year (seasonal records only).
GAGE.--Water-stage recorder. Datum of gage is 1,886.42 ft above National Geodetic Vertical Datum of 1929. Prior to July 20, 1955, nonrecording gage 80 ft upstream at same datum.
REMARKS.--Records fair except for estimated daily discharges, which are poor. Flow regulated by Sweetbriar Reservoir 2 mi upstream since April 1964.
EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known, 12.5 ft, Apr. 17, 1950, from floodmarks at present site, discharge, 5,910 ft3/s from rating curve extended above 2,000 ft3/s on basis of contracted-opening measurement of peak flow.
EXTREMES FOR CURRENT YEAR.--Maximum discharge, about 325 ft3/s, Mar. 20, gage height, 4.37 ft, maximum gage height, 4.47 ft, Mar. 19, backwater from ice; minimum daily, 0.30 ft3/s, Sept. 17-18.
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