Statistics for occurrence #1 of “Port Royal” in chapter 1.5 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 4.:

... commander-in-chief, by the historian, General Sir William Napier, they had served long enough under his command to know why the soldiers of the tenth legion were attached to Caesar. Arriving at Port Royal , Admiral Du Pont hurried forward the repairs of the monitors with the view of sending them to the Gulf, as directed by the Secretary of the Navy. On the 16th, however, came orders to renew the mena...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Port Royal (South Carolina, United States) 2,928 32 170 2 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.