Engraving of Harpers Ferry by moonlight. Entered according to Act of Congress A.D. 1874 by D. Appleton and Coin the Office of the Librarian of Congress, Washington.
A Winchester and Potomac Railroad train carrying Federal Troops passes through Virginius Island at Harpers Ferry, West Virginia. The shell of the Abraham Herr Mill, burned by Confederate soldiers in 1861, can be seen in the center of the photograph.