https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/12150675Edit ImageSaveSaveEditCropCustom TextSan Diego, California. Union sign at the replacement cantonment of the coast artillery by Russell LeeView public domain image source hereMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFSmall JPEG 1200 x 927 px | 300 dpiLarge JPEG 3500 x 2703 px | 300 dpiBest Quality JPEG 14095 x 10887 px | 300 dpiTIFF 14095 x 10887 px | 300 dpi | 146.44 MBFree DownloadSan Diego, California. Union sign at the replacement cantonment of the coast artillery by Russell LeeMore