Shelby Calloway In this 55-minute video, historian Shelby Calloway, Ph.D., of the USDA’s Natural Resources Conservation Service, guides a photo tour of the origins of the headquarters complex of the U.S. Department of Agriculture in Washington, D.C.
Shelby Calloway In this 55-minute video, historian Shelby Calloway, Ph.D., of the USDA’s Natural Resources Conservation Service, guides a photo tour of the origins of the headquarters complex of the U.S. Department of Agriculture in Washington, D.C.