August 1940. "Street in Upper Mauch Chunk, Pennsylvania." Medium format acetate negative by Jack Delano for the Farm Security Administration. View full size.

August 1940. "Two women living on the main street of Upper Mauch Chunk, Pennsylvania." Acetate negative by Jack Delano for the Farm Security Administration. View full size.

August 1940. "Family in Mauch Chunk, Pennsylvania." Medium format acetate negative by Jack Delano for the Farm Security Administration. View full size.

August 1940. "Mauch Chunk, Pennsylvania. Small historic coal mining town in the Lehigh Valley. Houses in East Mauch Chunk." Acetate negative by Jack Delano. View full size.

August 1941. "Isadore Lavictoire, French Canadian dairy farmer near Rutland, Vermont, and children gathering hay." Medium format acetate negative by Jack Delano. View full size.

August 1941. "Sunday afternoon. Farm boys in front of beer parlor in the Finnish community of Bruce Crossing, Michigan." Medium format acetate negative by John Vachon. View full size.

November 1939. "Cotton fallen from wagons on way to gin along main highway. Mississippi Delta near Clarksdale." Acetate negative by Marion Post Wolcott. View full size.

August 1941. "Front porch. Elgin, Illinois." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

July 1941. "Heads of beef cattle. Hormel meat-packing plant, Austin, Minnesota." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

August 1941. "Albany iron mine. Hibbing, Minnesota." A Bucyrus-Erie Model 54-B electric shovel. Acetate negative by John Vachon for the Farm Security Administration. View full size.

August 1941. "Children of Mexican sugar beet workers on porch of one of the houses at Saginaw Farms, Michigan." Acetate negative by John Vachon. View full size.

August 1941. "Child drinking milk. Duluth, Minnesota." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

July 1941. "The beef cut. Packing plant in Austin, Minnesota." Medium format acetate negative by John Vachon for the Farm Security Administration. View full size.

August 1941. "Farmers in beer parlor on Sunday afternoon. Finnish community of Bruce Crossing, Michigan." Medium format acetate negative by John Vachon. View full size.

June 1941. "Residential section. Milwaukee, Wisconsin." Take the "tree" out of Elm Street and you're left with Elm St. Medium format acetate negative by John Vachon. View full size.