Portrait of Union Officers of the U.S. Horse Artillery Brigade Posing With a Cannon in Fair Oaks, Virginia (1862)

Portrait of Union officers of the U.S. Horse Artillery Brigade posing with a cannon in Fair Oaks, Virginia, June 1862.  By James F. Gibson. Animated stereoscopic photographs.

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Union General George Stoneman and General Henry Naglee Posing With Members of Their Staffs in Camp in Fair Oaks, Virginia (1862)

Union General George Stoneman (seated at far right) and General Henry Naglee (seated second from right) posing with members of their staffs in camp in Fair Oaks, Virginia, June 1862. By James F. Gibson. Animated stereoscopic photographs.

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Three Group Portraits of Union Officers of the U.S. Horse Artillery Brigade in Fair Oaks, Virginia (1862)

Three group portraits of Union officers of the U.S. Horse Artillery Brigade in Fair Oaks, Virginia, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Captain George Armstrong Custer of the 5th US Cavalry Posing With Confederate POW Lieutenant James B. Washington at Fair Oaks (1862)

Union Captain George Armstrong Custer of the 5th US Cavalry (right) posing with friend and ex-classmate Confederate POW Lieutenant James B. Washington at Fair Oaks, Virginia, May 31, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Troops Transferring Hydrogen Gas From the Balloon Constitution to the Balloon Intrepid in Fair Oaks, Virginia (1862)

Union troops transferring hydrogen gas from the balloon Constitution to the balloon Intrepid in Fair Oaks, Virginia, May 1862. Animated stereoscopic photographs.

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Union General George Stoneman in Camp at Fair Oaks, Virginia (1862)

Union General George Stoneman in camp at Fair Oaks, Virginia, June 1862. By James F. Gibson. Animated stereoscopic photographs.

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A Group of Union Officers Posing with a Cannon in Camp at Fair Oaks

A group of Union officers including Captain James Robertson (third from left) posing with a cannon in camp in Fair Oaks, Virginia, 1862. By James F. Gibson. Animated stereoscopic photographs.

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Union Soldiers From Battery M of the 2nd US Artillery on Review in Fair Oaks, Virginia (1862)

Union soldiers from Battery M of the 2nd US Artillery on review in Fair Oaks, Virginia, 1862. By James F. Gibson. Animated stereoscopic photographs.

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