Virginia Tech, Extension Service2019-11-192019-11-191942-11-16http://hdl.handle.net/10919/95606View showing man changing chart at instrument shelter on Blacksburg W-III.positive, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringWatershedWater RunoffSoil and Water ConservationProject 10 Image - VA Montgomery County - 1942-11-16VA-RS-158PhotographBiological Systems Engineering, Virginia Tech