https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12298512Edit ImageSaveSaveEditCropCustom TextRammed earth construction near Birmingham, Alabama. After each three-inch layer has been tamped, another layer is spread in the form and work resumed. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGTIFFSmall JPEG 1200 x 884 px | 300 dpiLarge JPEG 3500 x 2577 px | 300 dpiBest Quality JPEG 4324 x 3184 px | 300 dpiTIFF 4324 x 3184 px | 300 dpi | 13.16 MBFree DownloadRammed earth construction near Birmingham, Alabama. After each three-inch layer has been tamped, another layer is spread in the form and work resumed. Sourced from the Library of Congress.More