October 1939. The Unruf family. Mennonite wheat farmers from Kansas, now developing a stump ranch in Boundary County, Idaho. The mother, father and hardworking 15-year-old son with other children in yard before the barn. Father and son have cleared 30 acres of raw stump land in three years. Medium-format nitrate negative by Dorothea Lange for the FSA. View full size.

March 1943. Santa Fe trip from Chicago to California. Trains on the Santa Fe tracks through Cajon Pass in the San Bernardino Mountains. View full size. 4x5 Kodachrome transparency by Jack Delano for the Office of War Information.

August 1938. "Farmpeople at the county fair in Central Ohio." View full size. 35mm nitrate negative by Ben Shahn for the Farm Security Administration.

July 1939. "Noontime chores: feeding chickens on Negro tenant farm. Granville County, North Carolina." View full size. Medium-format nitrate negative by Dorothea Lange for the Farm Security Administration.

October 1935. Red House, West Virginia. Youngsters on the way to school. 35mm negative by Ben Shahn for the Farm Security Administration. View full size.

February 1940. "Snowstorm in Parkersburg, West Virginia." View full size. 35mm nitrate negative by Arthur Rothstein for the Farm Security Administration.

October 1942. F.W. Hunter, Army test pilot, at the Douglas Aircraft plant in Long Beach, Calif. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

October 1935. Coal miners' houses in Omar, West Virginia. View full size. 35mm nitrate negative by Ben Shahn for the Farm Security Administration.

Summer 1938. "Street Scene in Circleville, Ohio. Because of its non-industrial surroundings, retains much of old-time flavor." Reflected in the glass we can see Ben Shahn snapping this picture with his Leica pointed sideways. View full size. 35mm nitrate negative by Ben Shahn for the Farm Security Administration.

February 1912. The Boss taking liberties. "G'wan, I hain't married." The girl steady. Maggioni Canning Company. Port Royal, South Carolina. View full size. Uncharacteristically frisky photo and caption by Lewis Wickes Hine.

February 1912. Port Royal, South Carolina. "Bertha, one of the six-year old shuckers at Maggioni Canning Company. Began work at 4 a.m." View full size. Photograph (glass negative) and caption by Lewis Wickes Hine.

May 1942. "Here's our mission." A combat crew receives final instructions just before taking off in a mighty YB-17 bomber from the bombardment squadron base at Langley Field, Virginia, nation's oldest air base. View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

April 1937. "Girl at Gee's Bend. Descendants of slaves of the Pettway family are still living very primitively on the plantation." Wilcox County, Alabama. Medium format nitrate negative by Arthur Rothstein for the FSA. View full size.

May 1939. "Old cable ferry between Camden and Gee's Bend, Alabama." 35mm negative by Marion Post Wolcott, Farm Security Administration. View full size.

October 1943. Washington, D.C. A Woodrow Wilson High School student waiting to use the tennis court. View full size. Photograph by Esther Bubley.