PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 43° 50'17", long 110° 26'28", in SE1/4 NE1/4  sec.29, 
T.45 N., R.113 W., Teton County, Hydrologic Unit 17040101, Grand Teton 
National Park, on right bank below bridge on U.S. Highway 26/287, about 
2 mi upstream from Lava Creek, 3.5 mi east of Moran, and 4.0 mi upstream 
from mouth.

DRAINAGE AREA.--323 mi2.

PERIOD OF RECORD.--September 1965 to current year. July to November 1906, 
July 1917 to September 1918, and September 1944 to September 1960 at sites 
about 3 mi downstream.

REVISED RECORDS.--WDR Idaho 1974: Drainage area.

GAGE.--Datum of gage is 6,772.78 ft above NGVD of 1929 (Federal Highway 
Administration bench mark).

EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 6,540 ft3/s June 9, 1981, 
gage height, 8.61 ft;  minimum daily, 70 ft3/s Feb. 27, 2002.

Station operated in cooperation with Water District No.1.