Statistics for occurrence #1 of “Port Royal” in chapter 34 of Admiral David D. Porter, The Naval History of the Civil War.:

...sted on the flag-staff at Fort Beauregard by Lieutenant-Commander Ammen. The Pocahontas, Commander Percival Drayton, had suffered from the gale of Friday night so badly as not to be able to enter Port Royal until the morning of the 7th. He reached the scene of action about 12 o'clock, and rendered gallant service by engaging the batteries on both sides in succession. Lieutenant-Commander H. L. New...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 130 170 6 0 user votes
Port Royal (Jamaica) 4 0 4 0 0 user votes
Port Royal (Georgia, United States) 2 0 0 0 0 user votes
Port Royal (Alabama, United States) 0 0 0 0 0 user votes
Port Royal (Florida, United States) 0 0 0 0 0 user votes
Port Royal (Kentucky, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Tennessee, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.