September 1939. "Bud Kimberley, a future farmer of America, driving a tractor. Jasper County, Iowa." The brother of Margaret, seen here yesterday. Photo by Arthur Rothstein for the Farm Security Administration. View full size.

September 1939. "Margaret Kimberley, 4-H Club girl. Jasper County, Iowa." Photo by Arthur Rothstein for the Farm Security Administration. View full size.

May 1939. "Sign near St. David, Cochise County, Arizona." Medium format negative by Dorothea Lange, Farm Security Administration. View full size.

September 1939. "Son of dairy farmer. Dakota County, Minnesota." Photo by Arthur Rothstein for the Farm Security Administration. View full size.

May 1939. "Grain elevators on Henry Sheffels' 6,000-acre wheat ranch. Cascade County, Montana." Medium format acetate negative by Arthur Rothstein for the Farm Security Administration. View full size.

December 1937. "House in disrepair. Abandoned farm community. Dalton, Allegany County, New York." Photo by Arthur Rothstein. View full size.

July 1937. "White sharecropper family, formerly workers in the Gastonia textile mills. When the mills closed down seven years ago, they came to this farm near Hartwell, Georgia." Medium format negative by Dorothea Lange. View full size.

July 1937. "Landless sharecropper families. Sharecropper near Hartwell, Georgia." Photo by Dorothea Lange for the Resettlement Administration. View full size.

April 1938. "North Carolina farmer and family. Guilford County." Medium format negative by John Vachon for the Farm Security Administration. View full size.

June 1935. "Migrant agricultural workers in California. Motherless migrant children. They work in the cotton." Medium format nitrate negative by Dorothea Lange for the Farm Security Administration. View full size.

February 1942. "Weslaco, Texas. Farm Security Administration camp. Garden in front of shelter." Medium format negative by Arthur Rothstein. View full size.

August 1939. "Western Washington subsistence farm, whittled out of the stumps." Photo by Dorothea Lange for the Farm Security Administration. View full size.

August 1938. "Privy on wheels for use of field workers at the King Farm near Morrisville, Pennsylvania." Why Mother always made you wash your hands, and your vegetables. Medium format negative by John Vachon. View full size.

January 1941. "Amish farmers from Pennsylvania near Sarasota, where they are observing Florida farming methods." Medium format negative by Marion Post Wolcott for the Farm Security Administration. View full size.

November 1936. "The chicken range at Westmoreland Homesteads, Penn­sylvania." Where there's dancing nitely at the Fryers Club. Medium format negative by Edwin Locke for the Resettlement Administration. View full size.