Statistics for occurrence #1 of “Rivanna river” in chapter 200, page 635 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 11.:

... country and united with General Merritt's column at Newmarket. General Merritt started on the morning of the sixth, first sending the First Michigan cavalry, Colonel Maxwell commanding, down the Rivanna river to Palmyra and toward Columbia, with directions to rejoin him at Scottsville. General Merritt thoroughly accomplished his orders, destroying all large flour-mills, woollen factories,
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