April 1943. "Viola Sievers, one of the wipers at the Chicago & North Western roundhouse, giving a giant "H" class locomotive a bath of live steam at Clinton, Iowa. Mrs. Sievers is the sole support of her mother and has a son-in-law in the Army." Kodachrome transparency by Jack Delano. View full size.

April 1943. Clinton, Iowa. "Marcella Hart and Viola Sievers, wipers for the Chicago & North Western Railroad, cleaning one of the giant H-class locomotives." 4x5 Kodachrome transparency by Jack Delano. View full size.

Thomas Madrigal greasing a locomotive in the roundhouse, Rock Island R.R., Blue Island, Ill. April 1943. View full size. 4x5 Kodachrome transparency by Jack Delano for the Office of War Information.

Boys with football at N and Union Streets S.W., Washington D.C. Autumn 1942. The scene at Shulman's Market, back when T-shirts were regarded as underwear and people wore actual clothes. View full size. Photograph by Louise Rosskam.

Roundhouse at the Chicago and Northwestern Railroad yard, Chicago. December 1942. View full size. 4x5 Kodachrome transparency by Jack Delano.

1942. "Rowhouses, corner of N and Union Streets S.W., Washington, D.C." Kodachrome transparency by Louise Rosskam. I wonder if the passageway was for service delivery of milk or ice. View full size.

November 1942. "Worker at carbon black plant. Sunray, Texas." 4x5 inch Kodachrome transparency by John Vachon for the Office of War Information. View full size.

Switchman at the Chicago & Northwestern R.R. Proviso Yard, Chicago. April 1943. View full size. 4x5 Kodachrome transparency by Jack Delano.

February 1943. Working on a "Vengeance" dive-bomber at Vultee-Nashville. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information. View full size.

Furnace man at phosphate smelter, TVA chemical plant near Muscle Shoals, Alabama. June 1942. View full size. Photograph by Alfred Palmer.

October 1942. "Salvage queen Annette del Sur, an office employee at Douglas Aircraft, Long Beach, California, with aluminum scraps collected at the plant." 4x5 Kodachrome transparency by Alfred Palmer. View full size.

B-25 bomber cowl assembly, North American Aviation, Kansas City, Kansas. October 1942. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

Tank commander, Fort Knox. June 1942. View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

June 1942. M-3 tank and crew at Fort Knox, Kentucky. View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

January 1943. "Indiana Harbor Belt R.R. switchman demonstrating signal with a 'fusee,' used at twilight and dawn when visibility is poor. This signal means 'back up.' Calumet City, Illinois." Kodachrome by Jack Delano. View full size.