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LOCATION.--Lat 43° 58', long 114° 48' (NAD27), in sec.3, T.7 N., R.14 E., Blaine County, Alturas Lake quad., Hydrologic Unit 17060201, Sawtooth National Forest, 0.45 mi downstream from irrigation diversion dam, 1 mi upstream from Lost Creek, and 2.5 mi southeast of Obsidian.
DRAINAGE AREA.--94.7 mi2. Mean elevation, 8,140 ft.
PERIOD OF RECORD.--November 1940 to January 1953 (discontinued).
GAGE.--Water-stage recorder. Elevation of gage is 6,950 ft, by barometer.
REMARKS.--Diversions for irrigation of about 1,700 acres above station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 721 ft3/s May 29, 1952,
gage height, 4.01 ft; maximum gage height, 5.50 ft, probably between
Jan. 27 and Mar. 1 1949 (ice jam);
minimum discharge, 2 ft3/s Sept. 7-11, 1942, Apr. 1 1945.