Statistics for occurrence #1 of “John's Islands” in page 186 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 3.:

...iment and the Government policy at that time, so President Lincoln annulled the order, and President Davis outlawed Hunter. At about that time measures were perfected for seizing Wadmelaw and John's Islands , that the National troops might gain a position within cannon-shot of Charleston. Careful reconnoissances had been made, soundings taken, and the channel of Stono River, which separates the islands...
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