Statistics for occurrence #1 of “Port Royal sound” in chapter 2 of Joseph T. Derry , A. M. , Author of School History of the United States; Story of the Confederate War, etc., Confederate Military History, a library of Confederate States Military History: Volume 6, Georgia:

...e shotguns a blank cartridge, to fire a small linen bag containing 12 buckshot. Commodore Tattnall, with his little flotilla of three vessels, boldly attacked the Federal fleet at the entrance of Port Royal sound , on November 4th and again on the 5th. On the afternoon of the 6th General Drayton's forces were reinforced by 450 Georgia infantry, under Captain Berry, and Captain Read's battery of two 12-pounde...
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Port Royal Sound (South Carolina, United States) 30 2 0 0 0 user votes

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