Union Officers Colonel John S. Crocker, Lieutenant Colonel Benjamin C. Butler, and Another Unidentified Man of the 93rd New York Volunteer Infantry Regiment Posing in Front of a Tent on the Antietam Battlefield (1862)

Union officers Colonel John S. Crocker, Lieutenant Colonel Benjamin C. Butler, and another unidentified man of the 93rd New York Volunteer Infantry Regiment posing in front of a tent on the Antietam battlefield shortly after the battle there, September 1862. By Alexander Gardner. Animated stereoscopic photographs.

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Union Soldiers of the 93rd New York Volunteer Infantry Regiment Posing in Camp in Bealeton, Virginia (1863)

Union soldiers from Company D of the 93rd New York Volunteer Infantry Regiment posing in camp in Bealeton, Virginia, August 1863. By Timothy O'Sullivan. Animated stereoscopic photographs.

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Union Officers From Company E of the 93rd New York Volunteer Infantry Regiment Dining in Camp in Bealeton, Virginia (1863)

Union officers from Company E of the 93rd New York Volunteer Infantry Regiment dining in camp in Bealeton, Virginia, August 1863. By  Animated stereoscopic photographs.

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Union Soldiers of the 93rd New York Volunteer Infantry Regiment in Bealeton, Virginia (1863)

Union soldiers of the 93rd New York Volunteer Infantry Regiment in camp in Bealeton, Virginia, 1863. By Timothy O'Sullivan. Animated stereoscopic photographs.

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