Virginia Tech, Extension Service2019-07-182019-07-181965-02http://hdl.handle.net/10919/91661Large weir for measuring flow. Work vehicle in background.negative, 60 mm.image/jpegIn CopyrightApplied ScienceAgricultural EngineeringAgricultureVirginia Extension - Project 10Runoff RatesWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech