Steam shovel loading truck, Chicago, Illinois. Sourced from the Library of Congress. https://www.rawpixel.com/image/12259695/photo-image-steam-person-skyFree Image from public domain licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1060699/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/965605/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/965666/free-image-rawpixelcomView license[Untitled photo, possibly related to: Loading truck with iron ore at the Albany mine near Hibbing, Minnesota. Use of trucks… https://www.rawpixel.com/image/12286267/photo-image-person-cross-public-domainFree Image from public domain licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1094134/image-rawpixelcomView 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/12296114/photo-image-cloud-person-skyFree Image from public domain licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1040534/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/859962/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/859999/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/932107/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1060704/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1060714/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1067180/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1094353/image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1040543/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1060576/free-image-rawpixelcomView licenseHightstown, New Jersey. Progress photograph taken during construction of the Jersey homesteads, a U.S. Resettlement… https://www.rawpixel.com/image/12268209/photo-image-plant-sky-treeFree Image from public domain licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/859964/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1067352/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1067138/free-image-rawpixelcomView licenseConstructing a new irrigation canal. Bosque Farms, New Mexico. Sourced from the Library of Congress. https://www.rawpixel.com/image/12264895/photo-image-person-sky-public-domainFree Image from public domain licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/932158/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1094150/image-rawpixelcomView licenseA "le tourneau" in action, drawn by a tractor. Martin County development project. Indiana by Russell Lee https://www.rawpixel.com/image/12147525/image-plant-person-artFree Image from public domain licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1067338/free-image-rawpixelcomView licenseHarvester combine harvester white background. AI generated Image by rawpixel. https://www.rawpixel.com/image/12097485/photo-image-white-background-skyView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1093118/image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/932112/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1067231/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1093291/image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1060524/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1040599/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/965503/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/932100/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1067199/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1067166/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1094368/image-rawpixelcomView license[Untitled photo, possibly related to: Loading seventy ton cars with iron ore, Mahoning pit, Hibbing, Minnesota]. Sourced… https://www.rawpixel.com/image/12286260/photo-image-person-sky-public-domainFree Image from public domain licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1040652/free-image-rawpixelcomView licenseDifferent Unique Brave Change Prepared https://www.rawpixel.com/image/1093133/image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/965551/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/1067186/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/881972/free-image-rawpixelcomView licenseSpecial Individual Change Pioneer First https://www.rawpixel.com/image/881925/free-image-rawpixelcomView license