Virginia Tech, Extension Service2019-11-192019-11-191939-06-08http://hdl.handle.net/10919/95783W-I installation. Standing on walkway looking towards staff-gage while water flowing over weir.positive, 3.75 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationProject 10 Image - VA Montgomery County - 1939-06-08VA-RS-31PhotographBiological Systems Engineering, Virginia Tech