Statistics for occurrence #1 of “Croatan Sound” in chapter 11 of Admiral David D. Porter, The Naval History of the Civil War.:

...o and Albemarle Sounds in which Roanoke Island lies is very shallow, and could therefore be easily obstructed by sunken vessels or piles. The sheet of water on the west side of the island is called Croatan Sound , and that on the east side Roanoke Sound. All of these waters are navigable to a certain extent, but large vessels can only pass through the western channel. (See the plan, which will more fully ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Croatan Sound (North Carolina, United States) 76 4 2 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.