[Untitled photo, possibly related to: Bulletin board outsided sash and door mill, Dubuque, Iowa]. Sourced from the Library… https://www.rawpixel.com/image/12284136/photo-image-person-public-domain-doorFree Image from public domain licenseSteel mill. Pittsburgh, Pennsylvania. Sourced from the Library of Congress. https://www.rawpixel.com/image/12272199/photo-image-person-smoke-public-domainFree Image from public domain licenseSheldon Springs, Vermont paper as it comes off the rollers at the Mississquoi Corporation paper mill. Sourced from the… https://www.rawpixel.com/image/12281533/photo-image-paper-art-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[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Draglines are working day and night excavating… https://www.rawpixel.com/image/12297774/photo-image-cloud-person-skyFree Image from public domain licenseFlour mill employees at noon hour. Minneapolis, Minnesota. Sourced from the Library of Congress. https://www.rawpixel.com/image/12282966/photo-image-person-public-domain-wallFree Image from public domain license[Untitled photo, possibly related to: Daughter of a worker at the Pittsburgh Crucible Steel Corporation of Midland… https://www.rawpixel.com/image/12278721/photo-image-face-people-public-domainFree Image from public domain licenseGears and all machinery in a cotton seed oil mill are covered with a fine dust. Cotton seed oil mill. McLennan County, Texas… https://www.rawpixel.com/image/12147301/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Columbia Steel Company at Geneva, Utah. Drag lines are working day and night… https://www.rawpixel.com/image/12297782/photo-image-person-beach-oceanFree Image from public domain licenseEmployees entering textile mill in New Bedford, Massachusetts. Sourced from the Library of Congress. https://www.rawpixel.com/image/12278154/photo-image-shadow-people-roadFree Image from public domain license[Untitled photo, possibly related to: At the change of the shift at the Penomah Mills Inc., Taftville, Connecticut]. Sourced… https://www.rawpixel.com/image/12262644/photo-image-person-sky-roadFree Image from public domain license[Untitled photo, possibly related to: Hay harvest near Pine Grove Mills, Pennsylvania]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12255535/photo-image-face-plant-personFree Image from public domain licenseType of drop gate for loading of cotton seed hulls onto trucks. Cotton seed oil mill. McLennan County, Texas by Russell Lee https://www.rawpixel.com/image/12148407/image-art-pattern-vintageFree Image from public domain licenseYabucoa, Puerto Rico. In the mill village at the sugar mill. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264778/photo-image-dog-person-roadFree Image from public domain license[Untitled photo, possibly related to: The second shift at the textile mill in Union Point, Greene County, Georgia]. Sourced… https://www.rawpixel.com/image/12262976/photo-image-person-sky-public-domainFree Image from public domain licenseCopy Space Frame Summer Vacation Holiday Concept https://www.rawpixel.com/image/888870/free-image-rawpixelcomView licenseGreensboro, Georgia. In the Mary-Leila cotton mill. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280038/photo-image-person-wood-public-domainFree Image from public domain licenseEnsenada, Puerto Rico. Sugar mill or "central" of the South Puerto Rico Sugar Company. Sourced from the Library of Congress. https://www.rawpixel.com/image/12280081/photo-image-sky-smoke-public-domainFree Image from public domain license[Untitled photo, possibly related to: Active gold mill in San Juan County, Colorado. A great deal of water is necessary to… https://www.rawpixel.com/image/12148828/image-person-art-vintageFree Image from public domain license[Untitled photo, possibly related to: Yabucoa, Puerto Rico. In the mill village at the sugar mill]. Sourced from the Library… https://www.rawpixel.com/image/12265168/photo-image-person-wood-animalFree Image from public domain license[Untitled photo, possibly related to: Ropesville Farms, Texas, April 1936. United States Resettlement Administration rural… https://www.rawpixel.com/image/12268497/photo-image-sky-technology-public-domainFree Image from public domain license