LOCATION.--Lat 44° 10'36", long 112° 13'44"(Rev.)(NAD83), in SE1/4 SW1/4 sec.21, T.10 N., R.36 E., Clark County, Dubois quad., Hydrologic Unit 17040214, 50 ft north of Highway 22/A2 bridge crossing in Dubois.

DRAINAGE AREA.--239 mi², revised.

PERIOD OF RECORD.--April 1921 to September 1973, April to September 1983, April 1985 to September 1987 (discontinued). Prior to July 12, 1985, nonrecording gage at same site and datum. April 1921 to September 1973, at site 0.5 mi upstream (Lat 44 11'10", long 112 14'08"). Records may not be comparable during irrigation season.

GAGE.--Water-stage recorder. Elevation of gage is 5,150 ft above NGVD of 1929, from topographic map.

REMARKS.--Flow affected by irrigation diversions.

COOPERATION.--Observer readings provided by Watermaster of Water District 31.

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge observed, 672 ft³/s Apr. 15, 1985, gage height, 4.50 ft; no flow on many days.

EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum discharge observed, 1,070 ft³/s May 16, 1984, gage height, 5.55 ft.