Men coming out of the shipyard at Bath, Maine, during the lunch hour. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278887/photo-image-people-road-public-domainFree Image from public domain licenseLoading cars with giant power shovel at Danube iron mine near Bovey, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286337/photo-image-person-sky-smokeFree Image from public domain licenseColumbia Steel Company at Geneva, Utah. Partly finished open hearth furnaces and stacks for a steel mill under construction… https://www.rawpixel.com/image/12297736/photo-image-cloud-person-skyFree Image from public domain licenseLoading logs onto railroad cars for transportation into town. Baker County, Oregon by Russell Lee https://www.rawpixel.com/image/12174449/image-plant-person-artFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. The yard at the head of the ways. Sourced from the Library of Congress. https://www.rawpixel.com/image/12294205/photo-image-person-sky-public-domainFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. General view of the ways. Sourced from the Library of Congress. https://www.rawpixel.com/image/12293074/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: World War Veterans' homecoming and carnival, London, Ohio (see general caption)].… https://www.rawpixel.com/image/12255479/photo-image-people-sky-public-domainFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. Shipways. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292827/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Topeka, Kansas. Breaking rails which have been found defective by the rail doctor car… https://www.rawpixel.com/image/12291454/photo-image-arrow-sky-public-domainFree Image from public domain licenseTopeka, Kansas. Breaking rails which have been found defective by the rail doctor car, at the test department of the… https://www.rawpixel.com/image/12289985/photo-image-arrow-person-skyFree Image from public domain licenseGuanica, Puerto Rico (vicinity). At the loading station. Here cane is loaded by crane on to freight cars to be shipped to… https://www.rawpixel.com/image/12280230/photo-image-cow-plant-personFree Image from public domain licenseGuanica, Puerto Rico. Loading sugar cane from ox cart to railroad car to be taken to sugar mill. Sourced from the Library of… https://www.rawpixel.com/image/12281065/photo-image-cow-plant-personFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Partly finished open hearth furnaces and… https://www.rawpixel.com/image/12298057/photo-image-cloud-person-skyFree Image from public domain license[Untitled photo, possibly related to: Loading seventy ton cars with iron ore, Mahoning pit, Hibbing, Minnesota]. Sourced… https://www.rawpixel.com/image/12286260/photo-image-person-sky-public-domainFree Image from public domain licenseView of former main ship channel, now yacht pen. Port of Houston, Texas, harbor by Russell Lee https://www.rawpixel.com/image/12175976/image-cloud-plant-artFree Image from public domain licenseColumbia Steel Company at Geneva, Utah. Partly finished open hearth furnaces and stacks for a steel mill under construction… https://www.rawpixel.com/image/12297922/photo-image-cloud-person-skyFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Draglines are working day and night excavating… https://www.rawpixel.com/image/12297774/photo-image-cloud-person-skyFree Image from public domain license