Statistics for occurrence #1 of “St. Helena Sound” in chapter 9 of Admiral David D. Porter, The Naval History of the Civil War.:

... St. Helena Sound
Arduous duties performed by Dupont's officers. various expeditions. expeditions. valuable services of Capt. Boutel...

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St. Helena Sound (South Carolina, United States) 52 8 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.