Statistics for occurrence #1 of “Mattapony Rivers” in year 1863, month January of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...f Major Wm. P. Hall, embarked at Yorktown, Va., on board the fleet of gunboats and transports, under the command of Catain F. A. Parker, and arrived at West-Point, at the junction of the Pamunkey and Mattapony Rivers , early this morning. Thence they proceeded to Lanesville, where they captured a wagon-train, consisting of contraband goods, en route for richmond, consisting of gutta-percha, block-tin, paints, me...
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