LOCATION.-- Lat 48<sup>o</sup>11'45", long 93<sup>o</sup>48'25", in SW1/4SE1/4 sec.35, T.155 N., R.25 W., Koochiching County, 
     Hydrologic Unit 09030006, on left bank at town of Big Falls, 700 ft downstream from falls, 0.3 mi 
     downstream from bridge on U.S. Highway 71, and 4.8 mi upstream from Sturgeon River.

DRAINAGE AREA.--1,480 mi2.

PERIOD OF RECORD.--August to November 1909, April to November 1910, April 1911 to September 1912 (gage 
     heights and discharge measurements only), June 1928 to September 1979, October 1979 to September 
     1982 (annual maximum only), October 1982 to September 1993, October 1993 to September 1994 (annual 
     maximum only) and October 1997 to current year.