[Untitled photo, possibly related to: New Idria, California. A birds-eye view of New Idria showing vicinity of the mine… https://www.rawpixel.com/image/12297380/photo-image-plant-sky-smokeFree Image from public domain licenseUtuado, Puerto Rico (vicinity). FSA (Farm Security Administration) borrower's house in the hills. Sourced from the Library… https://www.rawpixel.com/image/12280656/photo-image-smoke-mountain-public-domainFree Image from public domain licenseWheat stubble burning. Because of above-normal rainfall this season, the wheat developed more straw, and the fire hazard… https://www.rawpixel.com/image/12151497/image-art-fire-skyFree Image from public domain license[Untitled photo, possibly related to: Typhoid inoculation at Marianna, Arkansas]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12253319/photo-image-face-plant-peopleFree Image from public domain license[Untitled photo, possibly related to: Kimball, West Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12254934/photo-image-plant-forest-smokeFree Image from public domain license[Untitled photo, possibly related to: The "crummies" in which the lumberjacks ride to woods operations from Ryderwood. Long… https://www.rawpixel.com/image/12173493/image-plant-art-skyFree Image from public domain license[Untitled photo, possibly related to: New Idria, California. The mercury extraction plant of the New Idria Quicksilver… https://www.rawpixel.com/image/12297363/photo-image-plant-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Brush fire in Heard County, Georgia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12279553/photo-image-plant-fire-forestFree Image from public domain license[Untitled photo, possibly related to: Bingham Canyon, Utah. Ore train at a mine of the Utah Copper Company]. Sourced from… https://www.rawpixel.com/image/12295490/photo-image-steam-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: New Idria, California. The mercury extraction plant of the New Idria Quicksilver… https://www.rawpixel.com/image/12297623/photo-image-plant-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: World's largest open pit iron mine at Hibbing, Minnesota. The pit is two and a half… https://www.rawpixel.com/image/12286336/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: New Idria, California. The mercury extraction plant of the New Idria Quicksilver… https://www.rawpixel.com/image/12297359/photo-image-plant-smoke-treeFree Image from public domain licenseLiming a FSA (Farm Security Administration) pasture. Greene County, Georgia. Sourced from the Library of Congress. https://www.rawpixel.com/image/12279178/photo-image-plant-person-grassFree Image from public domain licenseWorld's largest open pit mine, Hull Rust Mahoning. Near Hibbing, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286584/photo-image-smoke-mountain-public-domainFree Image from public domain licenseGardens for the unemployed. Newark, New Jersey. Squatters' houses in "Jersey Meadows," on city dump. Sourced from the… https://www.rawpixel.com/image/12272339/photo-image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Carnegie-Illinois steelworks. Etna, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12287070/photo-image-cloud-plant-skyFree Image from public domain license[Untitled photo, possibly related to: San Juan, Puerto Rico. The slum area known as El Fangitto]. Sourced from the Library… https://www.rawpixel.com/image/12264802/photo-image-cloud-plant-personFree Image from public domain licenseFreight cars and grain elevators. Minneapolis, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282463/photo-image-cloud-sky-smokeFree Image from public domain licenseKingman (vicinity), Arizona. A transcontinental train passing close to the tungsten recovery plant where the ore, obtained… https://www.rawpixel.com/image/12297288/photo-image-cloud-plant-skyFree Image from public domain license[Untitled photo, possibly related to: Bowdle, South Dakota. On the main line]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284695/photo-image-cloud-sky-smokeFree Image from public domain licenseAir pollution background https://www.rawpixel.com/image/11560045/air-pollution-backgroundView licenseGleed (vicinity), Arizona. A westbound passenger train going around a curve on the Atchison, Topeka and Santa Fe Railroad… https://www.rawpixel.com/image/12292662/photo-image-cloud-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Yabucoa Valley, Puerto Rico. The sugar mill and the surrounding land is all owned by a… https://www.rawpixel.com/image/12283970/photo-image-cloud-plant-skyFree Image from public domain licenseWoman Hands Holding Pink Smoke Bomb Outdoors https://www.rawpixel.com/image/39066/premium-photo-image-adult-alone-asianView license[Untitled photo, possibly related to: Carloads of iron ore at Mahoning pit. Hibbing, Minnesota]. Sourced from the Library of… https://www.rawpixel.com/image/12286526/photo-image-steam-person-smokeFree Image from public domain licenseOn this side of the river Ansonia, and on the other side Derby. Connecticut. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277701/photo-image-sky-smoke-public-domainFree Image from public domain licenseWestern Iowa farmland cornstalks burning. Monona County, Iowa. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282895/photo-image-cloud-plant-skyFree Image from public domain license[Untitled photo, possibly related to: Landscape near one of the entrances to the powder plant near Childersburg. The dust in… https://www.rawpixel.com/image/12279203/photo-image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Albany Mine, Hibbing, Minnesota]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286450/photo-image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Jones Laughlin steel company, on both sides of the river. Pittsburgh, Pennsylvania].… https://www.rawpixel.com/image/12287359/photo-image-cloud-plant-skyFree Image from public domain licenseAir pollution phone wallpaper https://www.rawpixel.com/image/11560048/air-pollution-phone-wallpaperView licenseMiscellaneous lot of photographs by Barbara Wright. New Mexico. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297963/photo-image-cloud-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Summit (vicinity), California. Going down the mountains on the Atchison, Topeka, and… https://www.rawpixel.com/image/12293820/photo-image-cloud-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: The Pittsburgh Crucible Steel Company of Midland, Pennsylvania]. Sourced from the… https://www.rawpixel.com/image/12277738/photo-image-plant-person-skyFree Image from public domain license[Untitled photo, possibly related to: Carnegie-Illinois steelworks. Etna, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12287353/photo-image-cloud-person-skyFree Image from public domain license[Untitled photo, possibly related to: West Aliquippa, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284990/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Fort Sumner, New Mexico. Train about to cross Pecos River along the Atchison, Topeka… https://www.rawpixel.com/image/12292490/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Lancaster County, Nebraska. Freight train]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286539/photo-image-cloud-plant-grassFree Image from public domain licenseMiscellaneous lot of photographs by Barbara Wright. New Mexico. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297927/photo-image-cloud-sky-smokeFree Image from public domain licenseMiscellaneous lot of photographs by Barbara Wright. New Mexico. Sourced from the Library of Congress. https://www.rawpixel.com/image/12297655/photo-image-sky-smoke-airplaneFree Image from public domain license[Untitled photo, possibly related to: Comerio (vicinity), Puerto Rico. Landscape]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12281876/photo-image-smoke-mountain-public-domainFree Image from public domain license[Untitled photo, possibly related to: Woodward, Oklahoma. Dry steam along the Atchison, Topeka, and Santa Fe Railroad].… https://www.rawpixel.com/image/12293353/photo-image-cloud-frame-steamFree 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 license[Untitled photo, possibly related to: Gleed (vicinity), Arizona. A westbound local freight train passing on the Atchison… https://www.rawpixel.com/image/12292982/photo-image-cloud-sky-smokeFree Image from public domain licenseAir pollution blog banner https://www.rawpixel.com/image/11560052/air-pollution-blog-bannerView license[Untitled photo, possibly related to: Kingman (vicinity), Arizona. A train on the Atchison, Topeka and Santa Fe Railroad… https://www.rawpixel.com/image/12292972/photo-image-cloud-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Clearing land, Sabine Farms, Marshall, Texas] by Russell Lee https://www.rawpixel.com/image/12171375/image-plant-person-artFree Image from public domain licenseBingham Canyon, Utah. Open-pit workings of the Utah Copper Company, showing loaded ore trains in the foreground. Sourced… https://www.rawpixel.com/image/12295814/photo-image-smoke-mountain-public-domainFree Image from public domain licenseMorenci, Arizona. The copper mine railroad on which the ore is transported to the smelting plant of the Phelps Dodge mining… https://www.rawpixel.com/image/12294307/photo-image-background-plant-skyFree Image from public domain licenseFisherman's shacks in front of a mill along the waterfront in New Bedford, Massachusetts. Lobster traps in foreground.… https://www.rawpixel.com/image/12277787/photo-image-person-sky-smokeFree Image from public domain licenseParris Island, South Carolina. U.S. Marine Corps glider detachment training camp. Marine glider planes in flight. Sourced… https://www.rawpixel.com/image/12287319/photo-image-smoke-planes-oceanFree Image from public domain license[Untitled photo, possibly related to: Max, North Dakota. Population 500]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284532/photo-image-sky-public-domain-factoryFree Image from public domain license[Untitled photo, possibly related to: Dawn, Texas. Crossing Texas wheat country along the Atchison, Topeka, and Santa Fe… https://www.rawpixel.com/image/12293652/photo-image-sky-smoke-roadFree Image from public domain license[Untitled photo, possibly related to: Curtis, Oklahoma. Helper engine leaving the train on Atchison, Topeka, and Santa Fe… https://www.rawpixel.com/image/12290391/photo-image-cloud-sky-smokeFree Image from public domain licenseResidential section above entry to port of Duluth, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12286325/photo-image-cloud-plant-personFree Image from public domain license[Untitled photo, possibly related to: Paper mill near West Point, Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284750/photo-image-cloud-paper-plantFree Image from public domain licenseFreight yards entering Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283509/photo-image-person-sky-smokeFree Image from public domain licenseLauderdale County, Alabama. Tennessee Valley Authority (TVA). Small grains and hay are Julien H. Chase's chief crops.… https://www.rawpixel.com/image/12340375/image-face-plant-personFree Image from public domain license[Untitled photo, possibly related to: Blasting crew and foreman. Albany Mine near Bovey, Minnesota]. Sourced from the… https://www.rawpixel.com/image/12285033/photo-image-person-sky-smokeFree Image from public domain licenseJones Laughlin steel company, on both sides of the river. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12285927/photo-image-cloud-sky-smokeFree Image from public domain licenseSpring pulpwood drive on the Brown Company timber holdings in Maine. French Canadian woodsman. Sourced from the Library of… https://www.rawpixel.com/image/12293251/photo-image-face-plant-personFree Image from public domain license[Untitled photo, possibly related to: Caples, West Virginia. With coal mine tipple in foreground]. Sourced from the Library… https://www.rawpixel.com/image/12247927/photo-image-plant-sky-forestFree Image from public domain license[Untitled photo, possibly related to: World's largest open pit iron mine, Hull-Rust-Mahoning, near Hibbing, Minnesota].… https://www.rawpixel.com/image/12285302/photo-image-person-sky-smokeFree Image from public domain license