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LOCATION.--Lat 43° 41'19", long 114° 22'24" (NAD83), SE1/4 sec.12, T.4 N., R.17 E., Blaine County, Sun Valley quad., Hydrologic Unit 17040219, just upstream from the bridge on Warm Springs Creek Road, below braided channel, at Ketchum.
DRAINAGE AREA.--240 mi2.
PERIOD OF RECORD.--May 1920 to September 1921 (discontinued).
GAGE.--Staff gage. Elevation of gage is 5,800 ft, by barometer.
REMARKS.--Several small ranch diversions above and below gage.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 2,100 ft3/s
June 11, 12, 13, 1921, gage height, 4.50 ft;
minimum discharge not determined.