https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12296499Edit ImageSaveSaveEditCropCustom TextWashington, D. C. Air raid shelter area sign on the chapel of a seminary at the Catholic University. 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 871 px | 300 dpiLarge JPEG 3500 x 2539 px | 300 dpiBest Quality JPEG 6832 x 4957 px | 300 dpiTIFF 6832 x 4957 px | 300 dpi | 64.62 MBFree DownloadWashington, D. C. Air raid shelter area sign on the chapel of a seminary at the Catholic University. Sourced from the Library of Congress.More