https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/3322400Edit ImageSaveSaveEditCropCustom TextConstruction is progress on an addition to the Applied Physics building at Argonne, c.1970. Original public domain image from FlickrMorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 969 px | 300 dpiLarge JPEG 3200 x 2584 px | 300 dpiFree DownloadConstruction is progress on an addition to the Applied Physics building at Argonne, c.1970. Original public domain image from FlickrMore