Virginia Tech, Extension Service2019-11-082019-11-081945-03-23http://hdl.handle.net/10919/95384Three bottom sweeps in action 5" deep on sparse pasture sod.negative, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringStubble MulchErosion ControlSoil and Water ConservationProject 10 Image - VA Floyd County - 1945-03-23PhotographBiological Systems Engineering, Virginia Tech