Statistics for occurrence #1 of “Roanoke River” in chapter 52 of Admiral David D. Porter, The Naval History of the Civil War.:

...w taken from them. They impeded the advance of the flotilla by sinking schooners in the channel under the guns of the fortifications. On the 29th of October, 1864, the flotilla proceeded up the Roanoke River in the following order: Commodore Hull, Shamrock, Chicopee, Otsego, Wyalusing and Tacony. At the same time the Valley City went up the Middle River, which joined the Roanoke above Plymouth, in ord...
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