Statistics for occurrence #1 of “Sullivan's Island” in chapter 8, page 137 of Daniel Ammen, Confederate Military History, a library of Confederate States Military History: Volume 7.2, The Atlantic Coast:

... a narrow, shoal, and tortuous channel between Sumter and Cummings Point, and in the attempt grounded and remained so for two tides. When her condition became known, Moultrie and other batteries on Sullivan's Island opened fire on her, as well as Fort Simkins on James Island. In returning the fire the Weehawken caused an explosion at Moultrie. One of her heavy shells struck and disabled an 8-inch columbiad, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sullivan's Island (South Carolina, United States) 1,044 10 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.