https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770682Edit ImageSaveSaveEditCropCustom TextTrain engineer, left, and conductor check in at the Dodge City, Kansas, station prior to boarding Amtrak's Southwest Limited which runs between Los Angeles, California, and Chicago, June 1974. Photographer: O'Rear, Charles. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 806 px | 300 dpiLarge JPEG 3000 x 2015 px | 300 dpiFree DownloadTrain engineer, left, and conductor check in at the Dodge City, Kansas, station prior to boarding Amtrak's Southwest Limited which runs between Los Angeles, California, and Chicago, June 1974. Photographer: O'Rear, Charles. Original public domain image from FlickrMore