Working on the railroad - Working on the railroad

These men mending rails are working for the United States Military Railroad Service (USMRS) during the Civil War in 1862 or 1863 in the north of Virginia. Railroads were a crucial resource during the war at a time when the only alternative means of heavy transport were horses, mules and oxen. It was a key area in which the Union enjoyed superiority. After the war, the photographer of this scene, Andrew Russell, went on to record the construction of the Union Pacific Railroad Company’s transcontinental line. Photo Credit: Library of Congress/Corbis/VCG via Getty Images

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