Statistics for occurrence #1 of “Colonel B. F. Onderdonk” in chapter 28 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 8.:

...orth bank of the James River, and seven miles beyond the Chickahominy. The expedition was under the direction of Colonel R. M. West, the present commander of this post; the cavalry was commanded by Colonel B. F. Onderdonk , and the infantry, which acted as a reserve this side the Chickahominy, by Colonel Roberts. The infantry preceded the cavalry twelve hours. The Mounted Rifles quitted Williamsburgh at six o'clock...
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