LOCATION.--Lat 43° 26'54", long 111° 22'11" (NAD27), in NE1/4 sec.3, T.1 N., R.43 E., Bonneville County, Swan Valley quad., Hydrologic Unit 17040104, 0.5 mi upstream from mouth, and 1.5 mi west of Swan Valley.

DRAINAGE AREA.--56.3 mi².

PERIOD OF RECORD.--May 1934 to October 1936 (discontinued). July 1917 to September 1918, at site 0.5 mi upstream, several cfs difference in inflow. No winter records.

GAGE.--Staff gage. Elevation of gage is 5,260 ft above NGVD of 1929, from topographic map.

REMARKS.--Many diversions for irrigation above station which divert entire flow of stream above "the sinks" during low flow periods of irrigation seasons; at such times discharge at station consists of ground-water inflow to the stream below the diversions. Small inflow between described site and site used 1917-18.

COOPERATION.--U.S. Bureau of Reclamation.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 347 ft³/s May 14, 1936, gage height, 2.74 ft; minimum observed, 20 ft³/s Apr. 7, 1936, gage height, 0.82 ft.