Landing and pontoon bridge on the Potomac River - NARA - 524991.jpg
Brady National Photographic Art Gallery (Washington, D.C.)	 (1858 - ?), Photographer
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Landing and pontoon bridge on the Potomac River NARA 524991, American Civil War bridges, Bridges over the Potomac River, US National Archives series: Mathew Brady Photographs of Civil War-Era Personalities and Scenes, compiled 1921 - 1940, documenting the period 1860 - 1865, Images from the National Archives and Records Administration, Landing and pontoon bridge on the Potomac River
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ポトマック川に架かる上陸橋、NARA 524991、南北戦争の橋、ポトマック川の橋、米国国立公文書館シリーズのマシュー・ブレイディ1921-1940年撮影、1860-1865年撮影、ポトマック川に架かる国立公文書記録管理局の画像、上陸橋、ポンツーン橋
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pontoon bridge pontoon potomac