July 1936. "Many fruit tramps live in tents like these. Yakima, Washington." Slang for the itinerant agricultural workers, many of them Dust Bowl refugees, who picked apples, pears and cherries in the Pacific Northwest. Photo by Arthur Rothstein for the Resettlement Administration. View full size.

July 1936. "Picking cherries. Yakima, Washington." Photo by Arthur Rothstein for the Farm Security Administration. View full size.

October 1940. "Near Caribou, Maine. The opening of school was delayed in sections of Aroostook County so children could help pick potatoes." Does this beat Introduction to Algebra? Photo by Jack Delano. View full size.

March 1937. "Ditch bank housing for Mexican field workers. Imperial Valley, California." Washtub and ashcans under the eucalyptus allée. Photo by Dorothea Lange for the Resettlement Administration. View full size.

October 1938. "Young farmer of Jefferson County, Kansas." One-hundred percent organic. Medium-format negative by John Vachon. View full size.

October 1939. "Oklahoman, worked three years as farm laborer, starts next year on his own place. Quit school after third day. Can neither read nor write. Is 'best farm laborer' this farmer ever had. Near Ontario, Malheur County, Oregon." Photo by Dorothea Lange for the Resettlement Administration. View full size.

August 1938. "Picket line at the King Farm strike near Morrisville, Pennsylvania. Negro and white agricultural workers striking against an hourly wage of 17 to 20 cents." Medium format negative by John Vachon. View full size.

October 1939. "Garden Park, Fremont County, Colorado. Mrs. R.C. Williams, wife of FSA borrower." An obvious connoisseur of corn. Medium-format negative by Arthur Rothstein for the Resettlement Administration. View full size.

October 1939. "Mrs. Calvin Brown, wife of Farm Security Administration borrower, with grandson in garden near Eaton, Colorado." It may be time to revise the cabbage-leaf theory. Photo by Arthur Rothstein. View full size.

April 1936. "Ropesville Farms, Texas. United States Resettlement Administration rural rehabilitation project." Moooo. Photo by Arthur Rothstein. View full size.

September 28, 1910. Browns Mills, New Jersey. "Smallest girl is 10-year-old Rosie Biodo, 1216 Annan St., Philadelphia. Carries cranberries at White's Bog. This is the fourth week of school in Philadelphia, and the people here expect to remain here two weeks more." Photograph by Lewis Wickes Hine. View full size.

July 1936. "Harvesting oats. Clayton, Indiana, south of Indianapolis." Medium-format nitrate negative by Dorothea Lange. View full size.

July 1936. "Hoe culture in the South. Poor white, North Carolina." Photo by Dorothea Lange for the Resettlement Administration. View full size.

1917. Washington, D.C., or vicinity. "Boy Scout farm on the Potomac." Harris & Ewing Collection glass negative. View full size.

May 1940. "Mrs. Marinus W. Hansen, wife of Farm Security Administration rehabilitation farmer in Box Elder County, Utah, has dinner with her three children. On the table are home-produced milk, homemade bread, home-canned peaches, home-churned butter and fish caught by the three children the day this picture was taken. Homemade dill pickles provided a relish." Medium-format nitrate negative, photographer unknown. View full size.