History: Union soldiers on the Potomac River in the capital. Across the river... Georgetown (Washington D.C. - 1861) [3700x2500]

http://i.imgur.com/LG1lOUM.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/447n8g/union_soldiers_on_the_potomac_river_in_the/