https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/9046679Edit ImageSaveSaveEditCropCustom TextBattery A, Fourth U.S. Artillery, Robertson's Brigade by James GardnerOriginal public domain image from Art Institute of ChicagoMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGSmall JPEG 1200 x 936 px | 300 dpiLarge JPEG 3000 x 2340 px | 300 dpiFree DownloadBattery A, Fourth U.S. Artillery, Robertson's Brigade by James GardnerMore