PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 39°30'43", long 78°02'15", NAD 27, Berkeley County, 
        Hydrologic Unit 02070004, on left bank at downstream side of 
        highway bridge, 1.3 mi southeast of Tomahawk, 3.5 mi northeast 
        of village of Jones Springs, 9.0 mi upstream from Tilhance Creek,
        and at mile 11.6.
DRAINAGE AREA.--235 mi2.
PERIOD OF RECORD.--July 1928 to September 1931 (published as near 
        Hedgesville, measurements, daily mean discharges, and annual 
        maximums), August 1938 to September 1975 (measurements, daily 
        mean discharges, and annual maximums), October 1992 to September 
        1998 (occasional measurements and annual maximums), June 2004 
        to current year (measurements, daily mean discharges, annual 
        maximums, and gage heights and discharges at one hour or less 
        intervals).
REVISED RECORDS.--WSP 851: 1930(M).
GAGE.--Water-stage recorder with satellite telemeter. Datum of gage is 
        416.42 ft above mean sea level (from Corps of Engineers Bench 
        Mark). Prior to Sept. 30, 1931, nonrecording gage at highway 
        bridge 5.0 mi downstream at different datum. Aug. 30, 1938 to 
        Oct. 16, 1956, nonrecording gage at present site and datum. 
        Mar. 1940 to Sept. 30, 1931, and Oct. 1, 1992 to Sept. 30, 1998, 
        crest-stage gage at present site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of March 17 or 18, 1936, 
        reached a stage of 25 ft, present datum, from floodmarks, 
        discharge; 22,000 ft3/s, from rating curve extended above 
        6,200 ft3/s on basis of current-meter measurement of 
        14,500 ft3/s made at Hedgesville.

This gaging station is maintained in cooperation with:
        Berkeley County Commission