usdagov 16238298680 20150130-OSEC-DCK-0447

---

Size: 2108px × 1186px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., agriculture, anniversaries, bill, city, department, el, farm, nature, oklahoma, penn, promise, ray, reno, science, secretary, success, usda, vilsack, zone