Virginia Tech, Extension Service2019-11-192019-11-191905-04-26http://hdl.handle.net/10919/95620Harvesting hay from watershed area - Blacksburg. Note establishment of contour strips.1 negative, 3.5 x 5 in.image/jpegCreative Commons Public Domain Mark 1.0Applied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationPhotograph