UAV's for field diagnosis
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July 9, 2019 | 4-H
July 9, 2019 | 4-H
June 20, 2019 | 4-H
April 16, 2019 | 4-H
January 3, 2017 | 4-H
November 24, 2015 | 4-H
September 2, 2014 | 4-H
