https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3335900Edit ImageSaveSaveEditCropCustom TextTractors moving dirt near Alkali Creek, September 1977. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 787 px | 300 dpiLarge JPEG 3096 x 2031 px | 300 dpiFree DownloadTractors moving dirt near Alkali Creek, September 1977. Original public domain image from FlickrMore