Virginia Tech, Extension Service2019-08-082019-08-081948-05-14http://hdl.handle.net/10919/92943View across control section showing general conformation of control with steel plate at midpoint. Stilling basin and gage house at right.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10WatershedWater RunoffSoil and Water ConservationAgricultural EngineeringPhotographBiological Systems Engineering, Virginia Tech