PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 39°26'15", long 80°07'55", NAD 27, Marion County, 
        Hydrologic Unit 05020001, on right bank at highway bridge at 
        Colfax, 300 ft upstream from Guyses Run, and at mile 6.0. 
        Records include flow of Guyses Run.
DRAINAGE AREA.--1,366 mi2, including that of Guyses Run.
PERIOD OF RECORD.--May 1939 to September 1995 (measurements, daily mean 
        discharges, and annual maximums), October 1995 to September 2002 
        (occasional measurements and annual maximums). October 2002 to 
        current year (annual maximun gage heights). Prior to October 
        1960, published as Tygart River at Colfax.
REVISED RECORDS.--WSP 1083: 1942(M), WSP 1335: 1941.
GAGE.--Water-stage recorder with satellite telemeter. Datum of gage is 
        856.27 ft above sea level, supplemetry adjustment of 1944. 
        Formerly published as 855.49 ft Baltimore & Ohio RR datum. Since 
        Jan. 19,1945, auxiliary water-stage recorder at Fairmont 
        waterworks, 5.7 mi downstream from base gage, at datum 856.99 ft 
        above sea level.
REMARKS.--Flow regulated since June 1938, by Tygart Lake. Possible 
        backwater from West Fork River at times.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of 1888 reached a stage of 
        39.6 ft at site 1,100 ft downstream, present datum, from 
        information by local resident. The stage on that day was probably 
        affected by backwater from West Fork River.

This gaging station is maintained in cooperation with:
        U.S. Army Corps of Engineers, Pittsburgh District

        Real-time stage data are available for the previous 31 days
        Recent data (daily) are available for the previous 18 months
                RECENT DATA ARE NOT ARCHIVED BEYOND 18 MONTHS