Statistics for occurrence #1 of “General Marston” in chapter 50 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 8.:

...rvices. Commodore F. A. Parker, of the Potomac flotilla, and Lieutenant Provo, commanding the Anacostia, and now commanding the flotilla in the vicinity of Point Lookout, heartily cooperated with General Marston , and rendered most valuable aid in effecting the embarkation and reembarkation.
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