https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12299445Edit 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 892 px | 300 dpiLarge JPEG 3500 x 2600 px | 300 dpiBest Quality JPEG 4322 x 3211 px | 300 dpiTIFF 4322 x 3211 px | 300 dpi | 13.26 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