Virginia Tech, Extension Service2019-11-192019-11-191940-08-20http://hdl.handle.net/10919/95669Weeds and grass in idle portion of Danville Watershed W-III; Seeka Herd's grass mixed with native and ragweed.positive, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech