Virginia Tech, Extension Service2019-11-192019-11-191940-11-20http://hdl.handle.net/10919/95774SCS engineer, David W. Cardwell, explaining to Nathan Cromer, farmer of Montgomery County, Va. the functions of a recording rain gage on Watershed No. I (W-I), Blacksburg Experiment Station.positive, 3.5 x 5 in.image/jpegIn CopyrightApplied ScienceAgricultureVirginia Extension - Project 10Agricultural EngineeringPrecipitationWater RunoffSoil and Water ConservationPhotographBiological Systems Engineering, Virginia Tech