Virginia Tech, Extension Service2019-11-192019-11-191938-12-13http://hdl.handle.net/10919/95597View north upstream showing weir and portion of downstream channel. Upper dam in background. Camera located in center of channel 55.8 feet below weir notch.positive, 5 x 7 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech