Statistics for occurrence #1 of “Roanoke Rivers” in chapter 5 of Admiral David D. Porter, The Naval History of the Civil War.:

...ty of securing possession of the Sounds of North Carolina and defending their approaches against our gunboats. There is in this region a network of channels communicating with the Chowan, Neuse and Roanoke Rivers by which any amount of stores and munitions of war could be sent by blockade runners to supply the South. The numerous inlets are navigable for light draft vessels, but owing to their shallow wat...
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