January 1943. "Icing platform of the Indiana Harbor Belt Railroad. Blue Island Yard south of Chicago." Acetate negative by Jack Delano for the Office of War Information. View full size.

May 1943. "Beaumont, Texas. Wartime occupational replacement by women in men's traditional jobs. Lady in signal tower who operates block signals for railroad crossing." Medium format acetate negative by John Vachon for the Office of War Information. View full size.

January 1943. Riverdale, Illinois. "Blue Island Yard of the Indiana Harbor Belt Railroad with view of the icing platform." Photo by Jack Delano, Office of War Information. View full size.

January 1943. Riverdale, Illinois. "Freight operations of the Indiana Harbor Belt Railroad. Grain elevator and mill at a siding of the Harbor Belt's Blue Island Yard south of Chicago." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.

January 1943. "Nelson, Illinois. Chicago and North Western Railroad freight en route from Clinton, Iowa, to Chicago. Stopping for coal and water to give passenger trains the right of way." Acetate negative by Jack Delano for the Office of War Information. View full size.

Summer 1950. "Heart of downtown Cleveland, Ohio, and Union Terminal Group (Terminal Tower and Hotel Cleveland)." Gelatin silver print by Carl McDow. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 cleaning plant. Loaded coal cars ready for market." Photo by John Collier, Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Westland coal mine. 'Mantrip' going into a drift mine." Acetate negative by John Collier for the Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 coal cleaning plant. Loading cars with clean coal." Photo by John Collier, Office of War Information. View full size.

November 1942. "Washington, D.C. Clerk and ticket seller searching for reservations at the Union Station." Acetate negative by Gordon Parks, Office of War Information. View full size.

November 1942. "Pittsburgh, Pennsylvania (vicinity). Champion No. 1 coal cleaning plant of Pittsburgh Coal Company." Photo by John Collier, Office of War Information. View full size.

December 1942. "Chicago, Illinois. Hump master in a Chicago and North Western Railroad yard operating a signal switch system which extends the length of the hump track. He is thus able to control movements of locomotives pushing the train over the hump from his post at the hump office." Acetate negative by Jack Delano for the Office of War Information. View full size.

December 1942. "Chicago, Illinois. Train clerk working on his lists in the hump office at a Chicago and North Western railyard." Acetate negative by Jack Delano. View full size.

December 1942. "Chicago, Illinois. In the roundhouse at a Chicago and North Western railyard." Acetate negative by Jack Delano for the Office of War Information. View full size.

December 1942. "Chicago, Illinois. Engineer taking a last look at the tender before going out on the road from a Chicago and North Western railyard." Medium format acetate negative by Jack Delano for the Office of War Information. View full size.