Virginia Tech, Extension Service2019-10-192019-10-19http://hdl.handle.net/10919/94699Shows plot with rills forming. Barn in background. Effects of soil reaction on erosion and aggregation.negative, 5 x 7 in. "Glass Plate"image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringErosionSoil ErosionSoil and Water ConservationBiological Systems Engineering, Virginia TechStill Image