Statistics for occurrence #1 of “Col. George T. Roberts” in chapter 6.80 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...on (commanding the left wing), Lieut.-Col. Thomas W. Porter; 30th Mass., Col. Nathan A. M. Dudley (commanding the right wing), Maj. Horace O. Whittemore; 6th Mich., Capt. Charles E. Clarke; 7th Ver., Col. George T. Roberts (m w), Capt. Henry M. Porter, Lieut.-Col. Volney S. Fullam; 4th Wis., Lieut.-Col. Sidney A. Bean; 2d Co. Mass. Cav., Captain James M. Magee; Ind. Battery (3 guns), Lieut. James H. Brown; 2d Mass. Bat...
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