Irrigation 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 licenseCleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e., Hulett] unloaders at the Pennsylvania… https://www.rawpixel.com/image/12294151/photo-image-person-public-domain-factoryFree Image from public domain licenseNorris Dam, Tennessee. Tennessee Valley Authority. Transmission tower. Sourced from the Library of Congress. https://www.rawpixel.com/image/12340415/image-cloud-plant-skyFree Image from public domain licenseOne of the substations supplying the enormous quantities of electric power needed in steel production. Clairton… https://www.rawpixel.com/image/12273781/photo-image-person-sky-technologyFree Image from public domain licenseShenandoah (vicinity), Pennsylvania. Second shaft tower at Maple Hill mine seen from first tower. Sourced from the Library… https://www.rawpixel.com/image/12275568/photo-image-sky-public-domain-hillFree 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/12298182/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12298132/photo-image-sky-technology-public-domainFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12298131/photo-image-sky-tree-technologyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Painters at work seventy feet above ground on the gigantic… https://www.rawpixel.com/image/12298138/photo-image-background-plant-personFree Image from public domain licenseLas Vegas, Nevada. Transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297610/photo-image-sky-technology-public-domainFree Image from public domain licenseFreight operations on the Indiana Harbor Belt railroad between Chicago, Illinois and Hammond, Indiana. The train passes many… https://www.rawpixel.com/image/12291374/photo-image-sky-public-domain-natureFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297961/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12297890/photo-image-person-sky-public-domainFree Image from public domain licenseLas Vegas, Nevada. A view of the plant of Basic Magnesium Incorporated, showing a tool shed and part of two buildings on… https://www.rawpixel.com/image/12298125/photo-image-cloud-plant-personFree Image from public domain licenseStone tower on Mount Chenocetah. Northeast Georgia land use project. Sourced from the Library of Congress. https://www.rawpixel.com/image/12271411/photo-image-sky-public-domain-factoryFree Image from public domain licenseConstruction of Dimension Plant at Tygart Valley, West Virginia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12248163/photo-image-cow-plant-personFree Image from public domain license[Untitled photo, possibly related to: Proctor [i.e. Procter] and Gamble Distributing Company, Cincinnati, Ohio. Drums of… https://www.rawpixel.com/image/12296274/photo-image-person-public-domain-factoryFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. Tower cranes at the head of the ways. Sourced from the Library of… https://www.rawpixel.com/image/12294214/photo-image-sky-public-domain-architectureFree Image from public domain license[Untitled photo, possibly related to: Top of derrick showing gin pole, crow's nest, crown block, traveling block, elevator… https://www.rawpixel.com/image/12171103/image-cat-person-artFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12297896/photo-image-person-sky-public-domainFree Image from public domain licenseJoliet (vicinity), Illinois. Passing the eastbound streamliner "The Chief" of the Atchison, Topeka, and Santa Fe Railroad.… https://www.rawpixel.com/image/12290138/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12298140/photo-image-sky-technology-public-domainFree 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/12298046/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12298152/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Oil derrick, Oklahoma City, Oklahoma. Workers are pulling out pipe] by Russell Lee https://www.rawpixel.com/image/12168777/image-cloud-person-artFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Copper is recovered from smoke that… https://www.rawpixel.com/image/12296703/photo-image-plant-sky-smokeFree Image from public domain licenseTop of derrick showing gin pole, crow's nest, crown block, traveling block, elevator and cat line. Oil well, Kilgore, Texas… https://www.rawpixel.com/image/12171451/image-cat-person-artFree Image from public domain licenseBuilding Business City Construction Geometry https://www.rawpixel.com/image/91270/free-photo-image-apartment-architectural-architectureView licenseLas Vegas, Nevada. Transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297624/photo-image-person-sky-technologyFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297916/photo-image-person-sky-technologyFree Image from public domain licenseShenandoah (vicinity), Pennsylvania. Shaft of the Maple Hill mine as seen from the top of the shaft tower. Sourced from the… https://www.rawpixel.com/image/12275482/photo-image-public-domain-factory-houseFree Image from public domain licenseWheeler Dam, Alabama (TVA -Tennessee Valley Authority). Substation. Sourced from the Library of Congress. https://www.rawpixel.com/image/12300037/image-cloud-sky-technologyFree Image from public domain licenseExterior of a large blue storage building https://www.rawpixel.com/image/534715/free-photo-image-exterior-store-mall-advertisementView license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12297895/photo-image-person-sky-technologyFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297607/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Painters at work seventy feet above ground on the gigantic… https://www.rawpixel.com/image/12297911/photo-image-background-plant-personFree Image from public domain licenseLas Vegas, Nevada. Transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297614/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12297864/photo-image-sky-technology-animalFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297898/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Steel mill under construction]. Sourced from… https://www.rawpixel.com/image/12298172/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12298130/photo-image-sky-technology-public-domainFree Image from public domain licenseCondensing tower of machinery in cotton gin. Lake Dick Project, Arkansas by Russell Lee https://www.rawpixel.com/image/12173660/image-art-pattern-vintageFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12297902/photo-image-person-technology-public-domainFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297907/photo-image-person-sky-technologyFree Image from public domain licenseLas Vegas, Nevada. A mass of transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297613/photo-image-person-sky-technologyFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. A mass of transmission towers and transformers redistributing power… https://www.rawpixel.com/image/12298154/photo-image-sky-technology-public-domainFree Image from public domain licenseLas Vegas, Nevada. Transmission towers and transformers redistributing power from Boulder Dam to Basic Magnesium… https://www.rawpixel.com/image/12297608/photo-image-person-sky-technologyFree Image from public domain license