LOCATION.--Lat 42° 54'30", long 111° 31'45" (NAD27), in SW1/4 sec.10, T.6 S., R.42 E., Caribou County, Henry quad., Hydrologic Unit 17040207, on left bank at Henry, a short distance upstream from the flow line of Blackfoot Marsh Reservoir, and about 20 mi north of Soda Springs.

DRAINAGE AREA.--34.7 mi², revised.

PERIOD OF RECORD.--March 1914 to September 1925 (discontinued).

GAGE.--Staff gage. Elevation of gage is 6,120 ft above NGVD of 1929, from topographic map. Prior to Aug. 19, 1919, at site 40 ft downstream at different datum.

REMARKS.--One small diversion above station. No regulation.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 292 ft³/s Apr. 19, 1914, gage height, 3.5 ft, site and datum then in use, from rating curve extended above 170 ft³/s; minimum observed, 6.9 ft³/s Jan. 8, 1919, gage height, 1.03 ft.