usdagov 8245582476 20121204-OSEC-RBN-2469
Size: 1870px × 1336px
Photo credit: © Nature and Science / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: agriculture, auditorium, cultural, dc, department, jefferson, national, nature, office, osec, park, science, secretary, states, tom, transformation, united, usda, vilsack, washington