LOCATION.-- Lat 40°13'20", long 89°24'12" (NAD of 1927), in SE1/4SW1/4 sec.35, T.21 N., R.3 W., Logan County, Hydrologic Unit 07130009, on right bank at downstream side of bridge on county road, 0.4 mi upstream from State Highway 121, 2.6 mi southeast of Hartsburg, 4.1 mi northwest of Lincoln, and 6.6 mi downstream from West Fork.

DRAINAGE AREA.-- 333 mi².

PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE

DISCHARGE: October 1944 to October 1971.

PARTIAL RECORD: Annual maximum, water years 1972 to 1992.

SURFACE-WATER QUALITY

CHEMICAL: Water years 1978-91.

REVISED RECORDS.-- WSP 1708: 1951.

GAGE.-- Water-stage recorder. Datum of gage is 548.70 ft above NGVD of 1929 (548.42 ft NAVD 1988). Prior to Sept. 10, 1945, nonrecording gage and Sept. 10, 1945, to June 12, 1964, water-stage recorder at site 0.4 mi downstream at same datum.

EXTREMES FOR PERIOD OF RECORD.--

SURFACE-WATER DISCHARGE AND STAGE: Maximum discharge, 10,100 ft³/s May 28, 1956; maximum gage height, 15.06 ft May 16, 1968; minimum discharge, 4.9 ft³/s Dec. 21, 22, 1963.