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LOCATION.--Lat 42° 26'31", long 115° 47'52"(Rev.2008)(NAD27), in NW1/4 sec.30, T.11 S., R.6 E., Owyhee County, Blackstone Reservoir quad., Hydrologic Unit 17050102, 5 mi upstream from mouth, 7 mi northeast of Grasmere, 10 mi east of Wickahoney, and 12 mi downstream from reservoir of Grasmere project (just downstream from future (1970's) site of Blackstone Reservoir).
DRAINAGE AREA.--95.8 mi2 (revised).
PERIOD OF RECORD.--January to June 1911 (discontinued).
GAGE.--Staff gage. Elevation of gage is 4,120 ft above NGVD of 1929, by barometer.
REMARKS.--Diversion and slight regulation above station.
EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 263 ft3/s Jan. 31, 1911,
gage height, 7.7 ft, from rating curve extended above 36 ft3/s;
no flow at times prior to period of record.