 HISTORY
  LNM11/87--7TH CGD, 1978; HEAVY SHOALING HAS OCCURRED IN MANGROVE POINT CHANNEL. DEPTH IN NOW APPROX. 2 FT. AT MLW. ENTERED 12/98 MCR
  F00456/99--OPR-J400-NRT1; NOT ADEQUATELY DEVELOPED TO DISPROVE EVALUATOR RECOMMENDS RETAIN NOTE AS CHARTED