History: Locomotive of the U.S.M.R.R. --- U.S. Military Railroad --- utilized by the Union (Orange and Alexandria Railroad - Virginia - 1860s) [1000x800]

http://i.imgur.com/ttR9l4E.jpg via /r/HistoryPorn http://www.reddit.com/r/HistoryPorn/comments/443qfi/locomotive_of_the_usmrr_us_military_railroad/