Statistics for occurrence #1 of “Col. J. Riggin, Jr.” in chapter 48 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 4.:

...cClernand's command, I was absent, having received a note from Flag-Officer Foote, requesting me to go and see him, he being unable to call. My personal staff--Col. J. D. Webster, Chief of Staff; Col. J. Riggin, Jr. , volunteer Aid; Capt. J. A. Rawlins, A. A. General; Captains C. B. Lagow and W. S. Hillyer, Aids, and Lieut.-Col. V. B. McPherson, Chief Engineer--all are deserving of personal mention for their gall...
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