Chicago, Illinois. Locomotive taking on sand at an Illinois Central Railroad yard, before going out on the road. Sourced… https://www.rawpixel.com/image/12290593/photo-image-smoke-road-sandFree Image from public domain licenseChicago, Illinois. Engines lined up at coaling station at an Illinois Central Railroad yard. Sourced from the Library of… https://www.rawpixel.com/image/12290875/photo-image-steam-smoke-public-domainFree Image from public domain license