https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12171621Edit ImageSaveSaveEditCropCustom TextSilverton, Colorado. Labor Day celebration. Burros loaded with sacks of gold ore at the burro-loading contest by Russell LeeView public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 854 px | 300 dpiLarge JPEG 3500 x 2491 px | 300 dpiBest Quality JPEG 4295 x 3057 px | 300 dpiTIFF 4295 x 3057 px | 300 dpi | 25.04 MBFree DownloadSilverton, Colorado. Labor Day celebration. Burros loaded with sacks of gold ore at the burro-loading contest by Russell LeeMore