Gustavus Jariah Brock (1814-) was a Union Army soldier who served in the 19th Indiana Infantry Regiment during the American Civil War. On 17 September 1862, he fought alongside the rest of the Iron Brigade at the Battle of Antietam.
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Gustavus Jariah Brock (1814-) was a Union Army soldier who served in the 19th Indiana Infantry Regiment during the American Civil War. On 17 September 1862, he fought alongside the rest of the Iron Brigade at the Battle of Antietam.