LOCATION.-- Lat 44o03'42", long 92o27'58", in NW1/4NE1/4 sec. 23, T.107 N., R.14 W., Olmsted County, Hydrologic Unit 07040004, on left bank 50 ft downstream from 37th Street bridge, and 2.0 mi downstream from Silver Lake Dam. DRAINAGE AREA.-- 303 mi2. PERIOD OF RECORD.-- March 1981 to current year.