Virginia Tech, Extension Service2019-11-192019-11-191940-08-22http://hdl.handle.net/10919/95587View of Blacksburg watershed No. III, showing height of clover, grass, weeds and wheat stubble. Note sparse vegetation on slope at head of watershed.positive, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech