https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12299604Edit ImageSaveSaveEditCropCustom TextRammed earth construction near Birmingham, Alabama. A depth of eleven inches is adequate for footings in the Gulf and South Atlantic states. Sourced from the Library of Congress.View public domain image source hereMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 896 px | 300 dpiLarge JPEG 3500 x 2613 px | 300 dpiBest Quality JPEG 4270 x 3188 px | 300 dpiTIFF 4270 x 3188 px | 300 dpi | 13.01 MBFree DownloadRammed earth construction near Birmingham, Alabama. A depth of eleven inches is adequate for footings in the Gulf and South Atlantic states. Sourced from the Library of Congress.More