[Untitled photo, possibly related to: Midway and carnival at Shelby County Fair and Horse Show Shelbyville, Kentucky].… https://www.rawpixel.com/image/12244710/photo-image-face-plant-personFree Image from public domain license[Untitled photo, possibly related to: Industrial development along Monongahela River, Pittsburgh, Pennsylvania]. Sourced… https://www.rawpixel.com/image/12314105/image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Weather vane with old cattle brand belonging to Dan Houston, an early settler of… https://www.rawpixel.com/image/12166787/image-art-sky-vintageFree Image from public domain licenseWorkman working on forms for concrete at Shasta Dam, Shasta County, California by Russell Lee https://www.rawpixel.com/image/12172377/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Surveyors at work, Shasta Dam. Shasta County, California] by Russell Lee https://www.rawpixel.com/image/12171775/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Refreshment stand at state fair, Donaldsonville, Louisiana] by Russell Lee https://www.rawpixel.com/image/12166701/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Construction workers getting a drink of water. Main distributing tower is in the rear.… https://www.rawpixel.com/image/12145810/image-art-sky-vintageFree Image from public domain licenseFarm boy playing guitar in front of the filling station and garage, Pie Town, New Mexico by Russell Lee https://www.rawpixel.com/image/12170879/image-face-person-artFree Image from public domain license[Untitled photo, possibly related to: In the woodwork vocational training class, at the FSA (Farm Security Administration)… https://www.rawpixel.com/image/12171376/image-face-person-artFree Image from public domain license[Untitled photo, possibly related to: Cable tool driller, Seminole oil field, Oklahoma] by Russell Lee https://www.rawpixel.com/image/12169040/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Craft shop at Reedsville, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252283/photo-image-person-art-technologyFree Image from public domain licenseIrrigation well machinery on truck farm, Tom Green County, near San Angelo, Texas by Russell Lee https://www.rawpixel.com/image/12170457/image-plant-art-skyFree Image from public domain license[Untitled photo, possibly related to: Sign, Crosby, North Dakota] by Russell Lee https://www.rawpixel.com/image/12147423/image-art-vintage-technologyFree Image from public domain license[Untitled photo, possibly related to: At the Mary-Leila cotton mill in Greensboro, Georgia]. Sourced from the Library of… https://www.rawpixel.com/image/12262831/photo-image-technology-animal-public-domainFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560050/air-pollution-backgroundView license[Untitled photo, possibly related to: Rancher's transportation, modern style. Valley County, Idaho] by Russell Lee https://www.rawpixel.com/image/12173024/image-art-vintage-technologyFree Image from public domain license[Untitled photo, possibly related to: Roof and chimney of sawmill, Garrett County, Maryland]. Sourced from the Library of… https://www.rawpixel.com/image/12252520/photo-image-cloud-plant-skyFree Image from public domain license[Untitled photo, possibly related to: Diesel engines at electric power station near Burrwood, Louisiana] by Russell Lee https://www.rawpixel.com/image/12168463/image-art-vintage-technologyFree Image from public domain license