Browse resources Displaying 1 - 1 of 1 resources Credit Andy Altishin (Cropped from original) Inspectors in the sky: For 50 years, OSU uses helicopters to check seed crops The inspection team flies about 130 hours over a three-week period to cover more than 190,000 acres of grass and clover fields. Kym Pokorny | Jun 10, 2021 | News story