Air pollution background https://www.rawpixel.com/image/11560045/air-pollution-backgroundView license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Steel and concrete go into place rapidly as a… https://www.rawpixel.com/image/12298072/photo-image-cloud-plant-personFree Image from public domain licenseCharacter illustration of people with packages for shipment https://www.rawpixel.com/image/480046/premium-illustration-vector-avatar-background-pink-boxView 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 license[Untitled photo, possibly related to: Gold miner. El Dorado Canyon, Clark County, Nevada]. Sourced from the Library of… https://www.rawpixel.com/image/12275298/photo-image-person-sky-goldFree Image from public domain license[Untitled photo, possibly related to: Oswego, New York. Unloading bauxite from a barge onto a Canadian boat which has come… https://www.rawpixel.com/image/12296382/photo-image-person-sky-smokeFree Image from public domain licenseAir pollution phone wallpaper https://www.rawpixel.com/image/11560048/air-pollution-phone-wallpaperView licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. A night view looking toward the ways. Sourced from the Library of… https://www.rawpixel.com/image/12292941/photo-image-person-sky-lightFree Image from public domain licenseSan Francisco, California. A woman operating the slide which releases detinned cans at the metal and thermite company for… https://www.rawpixel.com/image/12297181/photo-image-person-technology-public-domainFree 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/12293872/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Ship under construction. Bath Iron Works, Bath, Maine]. Sourced from the Library of… https://www.rawpixel.com/image/12277947/photo-image-sky-tree-roadFree Image from public domain licenseBoston and Maine railroad shops at Billerica, Massachusetts. Sorting spikes. Sourced from the Library of Congress. https://www.rawpixel.com/image/12298065/photo-image-plant-person-skyFree Image from public domain licenseAir pollution blog banner https://www.rawpixel.com/image/11560052/air-pollution-blog-bannerView licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. Looking aft on deck from a Liberty ship. Sourced from the Library of… https://www.rawpixel.com/image/12294206/photo-image-person-sky-public-domainFree Image from public domain licenseWashington, D.C. Scrap salvage campaign, Victory Program. Wholesale junkyard. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288142/photo-image-person-public-domain-factoryFree 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 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/12294149/photo-image-person-sky-smokeFree Image from public domain licenseShip under construction. Bath Iron Works, Bath, Maine. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277713/photo-image-sky-tree-roadFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Copper sheets on conveyors in the… https://www.rawpixel.com/image/12295448/photo-image-wood-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Copper sheets on conveyors in the… https://www.rawpixel.com/image/12295535/photo-image-sky-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Phelps Dodge refining company, El Paso, Texas. Copper sheets on conveyors in the… https://www.rawpixel.com/image/12296978/photo-image-person-sky-public-domainFree Image from public domain licenseSugar beet factory. Brighton, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273208/photo-image-sky-smoke-public-domainFree Image from public domain licenseCharacter illustration of people with packages for shipment https://www.rawpixel.com/image/480040/premium-illustration-vector-avatar-box-cardboardView licenseSugar beets at factory before processing. Brighton, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273438/photo-image-person-road-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/12297610/photo-image-sky-technology-public-domainFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560044/air-pollution-backgroundView license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Steel and concrete go into place rapidly as a… https://www.rawpixel.com/image/12297807/photo-image-cloud-plant-personFree 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 licenseColumbia Steel Company at Geneva, Utah. The erecting crane is kept busy as blast furnaces take form in a new steel mill… https://www.rawpixel.com/image/12297999/photo-image-person-sky-public-domainFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560050/air-pollution-backgroundView license[Untitled photo, possibly related to: Topeka, Kansas. Lifting an engine with the eighty-ton cranes at the Atchison, Topeka… https://www.rawpixel.com/image/12290049/photo-image-person-airplane-public-domainFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560054/air-pollution-backgroundView licenseHightstown, New Jersey. View of metal sheds and slab platforms. These will be used in the manufacture of concrete slabs to… https://www.rawpixel.com/image/12268432/photo-image-person-sky-public-domainFree Image from public domain licensePart of coal mine tipple with workers' homes in background. Pursglove Cleaning Plant No. 2, West Virginia. Sourced from the… https://www.rawpixel.com/image/12249066/photo-image-background-plant-personFree Image from public domain licenseCharacter illustration of people with packages for shipment https://www.rawpixel.com/image/480006/premium-illustration-vector-avatar-blue-backgroundView licenseColumbia Steel Company at Geneva, Utah. Steel and concrete go into place rapidly as a new steel mill takes form. The new… https://www.rawpixel.com/image/12297800/photo-image-plant-person-skyFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560047/air-pollution-backgroundView licenseBoston and Maine railroad shops at Billerica, Massachusetts. From end of yard looking towards shop. Sourced from the Library… https://www.rawpixel.com/image/12298055/photo-image-sky-smoke-public-domainFree 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/12294173/photo-image-person-sky-technologyFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560046/air-pollution-backgroundView licenseIndustrial Construction Engineer Pollution https://www.rawpixel.com/image/91618/free-photo-image-industry-harbour-businessView licenseCalifornia shipbuilding yards, Terminal Island, California. Building Liberty ships. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297470/photo-image-sky-public-domain-factoryFree Image from public domain licenseMoving lumber at sawmill. Longview, Washington. Sourced from the Library of Congress. https://www.rawpixel.com/image/12268597/photo-image-person-sky-technologyFree 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/12293890/photo-image-person-sky-public-domainFree 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/12293843/photo-image-person-sky-public-domainFree Image from public domain license[Untitled photo, possibly related to: Oswego, New York. Unloading bauxite from a barge onto a Canadian boat which has come… https://www.rawpixel.com/image/12296094/photo-image-sky-smoke-animalFree Image from public domain license[Untitled photo, possibly related to: Baltimore, Maryland. Electric welders at work on the Liberty ship Frederick Douglass… https://www.rawpixel.com/image/12294354/photo-image-person-sky-technologyFree Image from public domain licenseIndustrial Construction Engineer Pollution https://www.rawpixel.com/image/90990/free-photo-image-factory-business-chemicalView licenseCharacter illustration of people with packages for shipment https://www.rawpixel.com/image/479976/premium-illustration-vector-avatar-blue-backgroundView 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/12293870/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Streator, Illinois. Going through the Atchison, Topeka and Santa Fe Railroad yard. In… https://www.rawpixel.com/image/12290145/photo-image-background-sky-smokeFree Image from public domain licenseSandusky, Ohio. A carload of coal at the loading machine at the Pennsylvania Railroad dock. Sourced from the Library of… https://www.rawpixel.com/image/12293886/photo-image-person-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294144/photo-image-person-sky-roadFree Image from public domain licenseTemporary corn crib erected to store the overflowing harvest. Grundy County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12274736/photo-image-person-sky-public-domainFree 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/12293846/photo-image-person-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: West Mine, West Frankfort, Illinois. Now abandoned. Franklin County, Illinois. This… https://www.rawpixel.com/image/12272900/photo-image-sky-public-domain-factoryFree Image from public domain licenseTopeka, Kansas. Lifting an engine with the eighty-ton cranes at the Atchison, Topeka, and Santa Fe Railroad locomotive… https://www.rawpixel.com/image/12291255/photo-image-person-technology-public-domainFree Image from public domain licenseHome of Evangeline hot sauce. Saint Martinville, Louisiana. This sauce is made from hot peppers locally grown on small plots… https://www.rawpixel.com/image/12173640/image-person-art-skyFree Image from public domain licenseGold miner. El Dorado Canyon, Clark County, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12275357/photo-image-person-sky-goldFree Image from public domain licenseScene from the Bronx tenement district from which many of the New Jersey homesteaders have come. New York. Sourced from the… https://www.rawpixel.com/image/12267752/photo-image-person-sky-roadFree Image from public domain licenseOswego, New York. Unloading bauxite from a barge onto a Canadian boat which has come up through the inland waterways from… https://www.rawpixel.com/image/12296392/photo-image-sky-smoke-public-domainFree Image from public domain licenseAir pollution desktop wallpaper https://www.rawpixel.com/image/11560049/air-pollution-desktop-wallpaperView licenseConstruction Architecture Engineering Factory Concept https://www.rawpixel.com/image/879974/free-image-rawpixelcomView license[Untitled photo, possibly related to: Cleveland, Ohio. Unloading iron ore from a lake freighter by means of Hewlett [i.e.… https://www.rawpixel.com/image/12294148/photo-image-sky-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Sandusky, Ohio. A carload of coal at the loading machine at the Pennsylvania Railroad… https://www.rawpixel.com/image/12293869/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Topeka, Kansas. General view of part of the Atchison, Topeka and Santa Fe Railroad car… https://www.rawpixel.com/image/12290373/photo-image-person-public-domain-factoryFree Image from public domain licenseTank used in purifying gold and silver ore. El Dorado Canyon, Clark County, Nevada. Sourced from the Library of Congress. https://www.rawpixel.com/image/12275116/photo-image-person-gold-public-domainFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560051/air-pollution-backgroundView licenseHightstown, New Jersey. Metal plates to be used in casting concrete slabs at the Jersey Homesteads, a U.S. Resettlement… https://www.rawpixel.com/image/12268196/photo-image-person-sky-woodFree Image from public domain licenseLas Vegas, Nevada. Two peat storage buildings, 540 by 100 feet, on the Basic Magnesium Incorporated grounds in the southern… https://www.rawpixel.com/image/12297627/photo-image-sky-road-public-domainFree Image from public domain licenseJones Laughlin steel company. USHA (United States Housing Authority) housing project on top of hill. Pittsburgh… https://www.rawpixel.com/image/12287084/photo-image-cloud-sky-public-domainFree Image from public domain licenseWest Mine, West Frankfort, Illinois. Now abandoned. Franklin County, Illinois. This mine has been down about a year (see… https://www.rawpixel.com/image/12274424/photo-image-sky-technology-public-domainFree Image from public domain license[Untitled photo, possibly related to: Tapping the slag at a blast furnace, Pittsburgh, Pennsylvania]. Sourced from the… https://www.rawpixel.com/image/12253344/photo-image-technology-public-domain-factoryFree Image from public domain licenseNew York, N.Y. Second Avenue elevated railway in process of demolition between 13th and 14th Streets. Sourced from the… https://www.rawpixel.com/image/12289640/photo-image-person-road-public-domainFree Image from public domain licenseCharacter illustration of people with packages for shipment https://www.rawpixel.com/image/479987/premium-illustration-vector-avatar-blue-backgroundView 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 license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. The erecting crane is kept busy as blast… https://www.rawpixel.com/image/12297783/photo-image-person-sky-public-domainFree Image from public domain licenseWaynoka, Oklahoma. Oil and water derricks at the roundhouse between Kansas City, Missouri and Clovis, New Mexico. The… https://www.rawpixel.com/image/12291457/photo-image-person-sky-airplaneFree Image from public domain licenseConstruction work on Mellon Art Gallery. Washington, D.C.. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283714/photo-image-person-art-skyFree Image from public domain licensePower transformers. Southeast section of Washington, D.C.. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269604/photo-image-cloud-person-skyFree Image from public domain licenseSugar beets are piled over flumes before processing at factory. Brighton, Colorado. Sourced from the Library of Congress. https://www.rawpixel.com/image/12273369/photo-image-sky-road-public-domainFree Image from public domain license[Untitled photo, possibly related to: Las Vegas, Nevada. Some completed and also some unfinished buildings of the Basic… https://www.rawpixel.com/image/12297959/photo-image-plant-sky-public-domainFree Image from public domain licenseBethlehem-Fairfield shipyards, Baltimore, Maryland. A view looking through a crane structure. Sourced from the Library of… https://www.rawpixel.com/image/12292940/photo-image-person-light-technologyFree Image from public domain licenseColumbia Steel Company at Ironton, Utah. Tapping a heat of iron in the cast house of the blast furnace. Sourced from the… https://www.rawpixel.com/image/12297595/photo-image-person-light-public-domainFree Image from public domain license[Untitled photo, possibly related to: Topeka, Kansas. Lifting an engine with the eighty-ton cranes at the Atchison, Topeka… https://www.rawpixel.com/image/12290301/photo-image-person-airplane-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/12297922/photo-image-cloud-person-skyFree Image from public domain license