Chicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288509/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: General view of mills in Lawrence, Massachusetts]. Sourced from the Library of… https://www.rawpixel.com/image/12278510/photo-image-cloud-person-skyFree Image from public domain licenseSomewhere in the Persian corridor. A United States Army truck convoy carrying supplies for Russia climbing into the clouds… https://www.rawpixel.com/image/12294369/photo-image-clouds-sky-roadFree Image from public domain license[Untitled photo, possibly related to: Abandoned tile factory, Parke County, Indiana]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12252610/photo-image-person-smoke-treeFree Image from public domain license[Untitled photo, possibly related to: West Aliquippa, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283511/photo-image-sky-smoke-lightFree Image from public domain licenseA section of West Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12277784/photo-image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Houses in abandoned mining town with remains of coal tipple at right, Mohegan, West… https://www.rawpixel.com/image/12247935/photo-image-plant-smoke-treeFree Image from public domain license[Untitled photo, possibly related to: Carnegie-Illinois steel company. Etna, Pennsylvania]. Sourced from the Library of… https://www.rawpixel.com/image/12287115/photo-image-cloud-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Charleston, West Virginia. Part of the Union Carbon and Carbide Chemicals Corporation… https://www.rawpixel.com/image/12248173/photo-image-plant-sky-smokeFree Image from public domain licenseChicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288551/photo-image-person-smoke-roadFree Image from public domain license[Untitled photo, possibly related to: Chicago, Illinois. An unusually heavy fog in the early afternoon]. Sourced from the… https://www.rawpixel.com/image/12290231/photo-image-person-smoke-lightFree Image from public domain licenseNew York, New York. Looking west at the Third Avenue elevated railway on 14th Street at 7 a.m.. Sourced from the Library of… https://www.rawpixel.com/image/12289635/photo-image-person-sky-smokeFree Image from public domain licenseMilitary training in high school. Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12267948/photo-image-person-sky-smokeFree Image from public domain licenseFreight yards into Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12284650/photo-image-person-sky-smokeFree Image from public domain licenseChicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288516/photo-image-person-smoke-roadFree Image from public domain licenseAutos have to turn on lights to penetrate gloom of dust storm. Amarillo, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12265937/photo-image-plant-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Parking lot. Chicago, Illinois]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259615/photo-image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Washington, D.C. A view of 14th Street showing street cars, buses, taxicabs, and… https://www.rawpixel.com/image/12260479/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Snow in downtown Providence, Rhode Island]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12262750/photo-image-person-sky-smokeFree Image from public domain licenseLargest smelting furnace in the world. Omaha, Nebraska. Sourced from the Library of Congress. https://www.rawpixel.com/image/12269495/photo-image-person-smoke-public-domainFree Image from public domain licenseHouses and steel mills in Aliquippa, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278005/photo-image-sky-smoke-public-domainFree Image from public domain licenseWashington, D.C. -Hugh and Lynn Massman sightseeing on their first day in Washington. Their baby is being taken care of in… https://www.rawpixel.com/image/12295521/photo-image-plant-person-skyFree Image from public domain licenseNew York, New York. Saint Mark's Place and the Bowery at midnight. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288534/photo-image-person-smoke-roadFree Image from public domain licenseGoing to mass. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283209/photo-image-person-smoke-lightFree Image from public domain license[Untitled photo, possibly related to: Going home from work at the steel mill in Midland, Pennsylvania]. Sourced from the… https://www.rawpixel.com/image/12277809/photo-image-person-smoke-roadFree Image from public domain license[Untitled photo, possibly related to: Slag heaps at Nanty Glo, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12256433/photo-image-plant-person-skyFree Image from public domain licenseWashington, D.C. A street scene, probably 14th Street, showing automobile and street car traffic. The People's Life… https://www.rawpixel.com/image/12260344/photo-image-background-person-skyFree Image from public domain licenseDubuque, Iowa. Smoke from sash and door mills. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282851/photo-image-person-sky-smokeFree Image from public domain licenseDust storm. Note heavy metal signs blown out by wind. Amarillo, Texas. Sourced from the Library of Congress. https://www.rawpixel.com/image/12251087/image-cloud-person-skyFree Image from public domain licenseChicago, Illinois. An unusually heavy fog in the early afternoon. Sourced from the Library of Congress. https://www.rawpixel.com/image/12288505/photo-image-person-sky-smokeFree Image from public domain license[Untitled photo, possibly related to: Sunday morning. Pittsburgh, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12283513/photo-image-person-smoke-lightFree Image from public domain licenseNew York, New York. Grumman Wildcat airplane exhibited at Columbus Circle for bond selling purposes. Sourced from the… https://www.rawpixel.com/image/12289900/photo-image-people-smoke-airplaneFree Image from public domain licenseNew York, New York. Former Dodge building at 56th Street and Broadway, in the automobile district. Sourced from the Library… https://www.rawpixel.com/image/12288798/photo-image-person-sky-smokeFree Image from public domain license