LOCATION.--Lat 45<sup>o</sup>51'45", long 96<sup>o</sup>34'25", in SW1/4SW1/4 sec. 27, T.128 N., R.47W., Roberts County, 
     Hydrologic Unit 09020101, on Sisseton Indian Reservation, on left bank at Big Slough Outlet, 
     300 ft downstream from White Rock Dam, 4 mi south of White Rock and 5 mi northwest of Wheaton, MN.

DRAINAGE AREA.-- 1,160 mi2.

PERIOD OR RECORD.-- October 1941 to current year.