...y organized, Admiral Porter made an effort to close up the port of Wilmington, N. C., so that supplies could not get in, or cotton get out. This was a most difficult thing to do, and his predecessor, Acting-Rear-Admiral Lee , with one of the largest squadrons afloat, had never succeeded in the attempt. His officers, it is true, captured a large number of vessels, but where one was captured or destroyed two new ones wer...