Virginia Tech, Extension Service2019-08-082019-08-081948-12-03http://hdl.handle.net/10919/92957General view of cone top partially opened by Mr. J.R. Price, Agricultural Aide.positive, 4 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10WatershedWater RunoffSoil and Water ConservationAgricultural EngineeringPhotographBiological Systems Engineering, Virginia Tech