PROVISIONAL DATA SUBJECT TO REVISION

LOCATION.--Lat 39°37'18", long 79°42'18", NAD 27, Preston County, 
        Hydrologic Unit 05020004, on right bank just downstream from 
        highway bridge at Rockville, and at mile 5.0.
DRAINAGE AREA.--200 mi2.
PERIOD OF RECORD.--May 1909 to March 1918, April 1921 to September 2001 
        (measurements, daily mean discharges, and annual maximums); 
        October 2001 to September 2004 (measurements, daily mean 
        discharges, annual maximums, and discharges at one hour or less 
        intervals); October 2004 to current year (measurements, daily 
        mean discharges, annual maximums, and gage heights and 
        discharges at one hour or less intervals).
REVISED RECORDS.--WSP 583: 1912(M), 1922-23. WSP 923: 1939. WSP 1173: 
        1930-34(M,m). WSP 1335: 1910-18, 1921, 1922-24(M), 1928(M), 
        1930-43(M). WDR WV-97-1: 1922(P), 1924(P).
GAGE.--Water-stage recorder with satellite telemeter. Elevation of gage 
        is approximately 1,310 ft above NGVD 29, from topographic map. 
        Prior to Oct. 4, 1924, nonrecording gages at highway bridge at 
        same datum. 
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of July 10, 1888, reached a 
        stage of about 20 ft, discharge, about 30,000 ft3/s.

This gaging station is maintained in cooperation with:
        Alleghney Energy Supply Company
        U.S. Army Corps of Engineers, Pittsburgh District
        State of West Virginia