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LOCATION.--Lat 38°59'28", long 79°10'34", referenced to North American Datum of 1927, Grant County, WV, Hydrologic Unit 02070001, on right bank 1.1 mi downstream from North Fork South Branch Potomac River, 2.6 mi west of Petersburg, and at mile 74.7. DRAINAGE AREA.--651 mi2. PERIOD OF RECORD.--June 1928 to current year (daily discharge and peaks). REVISED RECORDS.--WSP 951: 1939-41. WSP 1141: 1932, 1933(M), 1936-38. WDR WV-US-2006: Drainage area. WDR-US-2009: 1938 (M). GAGE.--Water-stage recorder with satellite telemeter. Datum of gage is 967.87 ft above NAVD 88 (VERTCON conversion of 968.34 ft above NGVD 29). Prior to Dec. 4, 1928, nonrecording gage and June 1928 to Nov. 5, 1985, water-stage recorder at site 1,125 ft downstream at datum 962.00 ft above COE 12. Nov. 5, 1985, to June 22, 1994, and Oct. 23, 1996 to current year, water-stage recorder at present site and datum. June 22, 1994, to Oct. 23, 1996, water-stage recorder at site 325 ft downstream at datum 2.34 ft lower. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood in November 1877 reached a stage of 21.2 ft, from floodmarks at site and datum then in use, discharge, about 59,000 ft3/s. Flood of 1924 reached a stage of 19.2 ft, from floodmarks at site and datum then in use, discharge, about 45,000 ft3/s. This gaging station is maintained in cooperation with: State of West Virginia
Current shift adjusted stage-discharge
rating table. These tab delimited tables are updated daily and can
change frequently. If you use these ratings, it is important that you
update often so that you have the most current version.
What is a shift adjusted stage-discharge rating?
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Value Dec 1