LOCATION.-- Lat 47<sup>o</sup>16'00", long 96<sup>o</sup>14'40", in NW1/4NE1/4 sec. 27, T.144 N., R.44W., Norman County, 
     Hydrologic Unit 09020108, on left bank, 100 ft upstream from County Highway 29 bridge, 
     0.8 mi northeast of Twin Valley, and 2 mi upstream from small tributary.

DRAINAGE AREA.-- 934 mi2.

PERIOD OF RECORD.-- June 1909 to September 1917, July 1930 to September 1983, October 1989 to current year.