Statistics for occurrence #1 of “Sullivan's Island” in chapter 5 of Alfred Roman, The military operations of General Beauregard in the war between the states, 1861 to 1865:

... From the enclosed reports of Brigadier-General R. S. Ripley, Colonel William Butler, and Colonel Alfred Rhett, who commanded at that period respectively this Military District, the batteries on Sullivan's Island and Fort Sumter, it will be seen that— 1st. No ironclad came nearer than about six hundred yards of the rope obstructions except the disabled Keokuk, which dropped in, to about three hund...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sullivan's Island (South Carolina, United States) 1,044 182 6 0 0 user votes
Sullivan's Island (South Carolina, 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.