Confederate Soldiers of the Perote Guards Posing With an Artillery Piece in the Perote Sand Batteries Near Mobile, Alabama (1861)

Confederate soldiers of the Perote Guards posing with an artillery piece in the Perote Sand Batteries near Mobile, Alabama, 1861. From Miller's Photographic History of the Civil War.

Union Soldiers Posing With a Cannon in the Captured Fortifications of a Confederate Battery Overlooking the James River, Virginia (1865)

Union soldiers posing with a cannon in the captured fortifications of a Confederate battery overlooking the James River, Virginia, 1865. Animated stereoscopic photographs.

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Union Soldiers Posing on Fortifications Captured From Confederate Forces in Yorktown, Virginia (1862)

Union soldiers posing on the captured fortifications of a Confederate battery which were reinforced with cotton bales in Yorktown, Virginia, June 1862. Animated stereoscopic photographs.

Source.