Virginia Tech, Extension Service2019-07-182019-07-181957-08-01http://hdl.handle.net/10919/91575View taken standing on culvert left wing wall looking down at water passing over floor of culvert after channel cleaning job.negative, 4x5 in.image/jpegIn CopyrightApplied ScienceAgricultural EngineeringAgricultureVirginia Extension - Project 10Runoff RatesWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech