https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8770014Edit ImageSaveSaveEditCropCustom TextAmtrak information and ticket counter in Chicago's Union Station, one of the busiest in the corporation's system, June 1974. Photographer: O'Rear, Charles. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 816 px | 300 dpiLarge JPEG 3000 x 2040 px | 300 dpiFree DownloadAmtrak information and ticket counter in Chicago's Union Station, one of the busiest in the corporation's system, June 1974. Photographer: O'Rear, Charles. Original public domain image from FlickrMore