Chicago, Illinois. Train going over the hump at the Chicago and Northw...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Chicago, Illinois. A "cut" going over the hump at a Chicago and Northw...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Chicago, Illinois. Hump helper uncoupling cars as they come over the h...
Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description
Chicago, Illinois. Hump helper uncoupling cars as they come over the h...
Public domain photograph of working people, Great Depression, 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. General view of the hump Chicago and Northwestern R...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Chicago, Illinois. Hamp worker uncoupling cars as they reach the top o...
Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description
Chicago, Illinois. Cars going over the hump at a Chicago and Northwest...
Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.
Chicago, Illinois. Retarder operator in his tower at the hump in the C...
Public domain photograph - working class people, the 1930s United States, work, labor, worker, free to use, no copyright restrictions image - Picryl description
General view of the hump, Chicago and Northwestern railroad classifica...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Chicago, Illinois. Train going over the hump at a Chicago and Northwes...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Chicago, Illinois. Hump master in a Chicago and Northwestern Railroad ...
Public domain photograph of indoor, interior activity, America in the 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Switch lists coming in by teletype to the hump offi...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Chicago, Illinois. Yard crew repairing tracks at the hump and classifi...
Public domain photograph of United States countryside, nature, during 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Train clerk working on his lists in the hump office...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Switch lists coming in by teletype to the hump office at a Chicago and...
Public domain photograph - United States during 1930s Great Depression, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Inspector watching the cars as they go over the hum...
Picryl description: Public domain image of industrial or agricultural worker, 1930s, 20th-century, free to use, no copyright restrictions. show less
Chicago, Illinois. Train of cars going over the hump at a Chicago and ...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Chicago, Illinois. Looking toward the Chicago and Northwestern Railroa...
Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Two gondola cars going down the hump tracks at a ya...
Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.
Chicago, Illinois. A train coming over the hump track at a Chicago and...
Picryl description: Public domain image of railway tracks, train station, railroad building, free to use, no copyright restrictions.
Chicago, Illinois. The hump and classification yards at a Chicago and ...
Public domain photograph of United States countryside, nature, during 1930s, free to use, no copyright restrictions image - Picryl description
A black and white photo of a man standing next to a train. Office of W...
Public domain photograph - United States during the 1930s and 1940s, Farm Security Administration, New Deal, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Workmen in the hump office resting a few minutes wh...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
Chicago, Illinois. General view of the hump Chicago and Northwestern R...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
Hump master in a Chicago and Northwestern railroad yard operating a si...
Picryl description: Public domain image of a locomotive, train, railroad, railway, free to use, no copyright restrictions.
Chicago, Illinois. A car going over the hump tracks at a yard of the C...
Picryl description: Public domain image of a locomotive, train tracks, rail transportation, railroad, railway, 19th-20th century, free to use, no copyright restrictions.
Chicago, Illinois. Car inspector working at night at the hump at a Chi...
Public domain photograph of working people, Great Depression, 1930s, free to use, no copyright restrictions image - Picryl description
Chicago, Illinois. Inspector watching the cars as they go over the hum...
Picryl description: Public domain image of industrial or agricultural worker, 1930s, 20th-century, free to use, no copyright restrictions. show less
Chicago, Illinois. Car going toward the hump at a yard of the Chicago ...
Public domain photograph of 1930s-1940s train station, train car, no copyright restrictions image - Picryl description