This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cannon of largest size mounted in Fort at Battery Rodgers NARA . Scope and content General notes Local identifier War Department Office of the Chief Signal Officer NARAAuthor Brady National Photographic Art Gallery Washington Photographer File CannonoflargestsizemountedinFort atBatteryRodgersNARA tif tif File CannonoflargestsizemountedinFort