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STATION.--03085002 MONONGAHELA RIVER AT LOCK AND DAM 4 (LOWER POOL) AT BRADDOCK, PA
LOCATION.--Lat 40`23'33", long 79`51'37", Allegheny County, Hydrologic Unit 05020005, near right bank on river guide wall 300 ft downstream from dam at lock 2 at Braddock, 1,700 ft downstream from Turtle Creek, and 11.2 mi upstream from confluence with Allegheny River.
DRAINAGE AREA.--7,337 square miles.
PERIOD OF RECORD.--October 2011 to current year.
GAGE.--Water-stage recorder. Station maintained for stage readings only. Datum of gage is 694.2 ft above National Geodetic Vertical Datum of 1929.
COOPERATION.--Funding for the operation of this station is provided by the U.S. Army Corps of Engineers, Pittsburgh District.