Statistics for occurrence #1 of “Folly Island” in chapter 1.1 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 4.:

...y. During the night of the 8th the noise, apparently made by extensive chopping with axes, was distinctly heard from the extreme southern end of Morris Island. The sand-hills, so numerous on Little Folly Island , afforded much facility to the enemy for keeping us in the dark as to his ulterior designs, although nothing indicated any effort on his part at concealment. It is not true that this attack was...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Folly Island (Maine, United States) 0 0 0 0 0 user votes
Folly Island (Maine, 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.