Food Adm., World War I: sugar refineries group
Public domain photograph of official photograph, building on the background, free to use, no copyright restrictions image - Picryl description
Oil. Oil for our machines of war is supplied by oil refineries like th...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of construction site, excavation works, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of farming, farmer, agriculture, 20th-century, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a mountain pass, summit, rocks, mountains, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a road works, construction, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a mountain pass, summit, rocks, mountains, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of construction site, excavation works, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain vintage artistic photograph, free to use, no copyright restrictions image.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of a mountain pass, mountains, nature, mountain range, view, landscape, rocks, free to use, no copyright restrictions - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain image of a military portrait, uniform, armed forces, free to use, no copyright restrictions - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military shooting, machine gun, artillery, armed conflict, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of an industrial building, factory, workshop, workers, 20th century, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a tractor, farming equipment, agriculture, 20th century, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of 1930s-1940s US industrial development, Second World War, US war production, indusry, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of 1930s-1940s industrial development, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a worker, labor, factory, plant, manufacture, industrial facility, 1930s, mid-20th-century industrial photo, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph related to Great Depression, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain photograph of a pipe, pipeline, excavation, free to use, no copyright restrictions.
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of Pennsylvania in 1930s, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Public domain photograph of the 1930s, United States, cars, streets, John Kennedy, free to use, no copyright restrictions image - Picryl description
Pennsylvania section of the war emergency twenty-four inch pipeline to...
Picryl description: Public domain image of military vehicle, automobile, tractor truck, free to use, no copyright restrictions.