  CL1390/74--USCGS SHIP SURVEYOR, COAST PILOT REPORT, 1965;  A LARGE SURVEY VESSEL ENCOUNTERED A
4 FATHOM SHOAL SW OF THE MID-CHANNEL POINT  OF THE ENTRANCE BAR AND ABOUT 1.2 MILES WEST OF DANGER ISLAND (MCR)
  H11167/02; Reports no shoal or obstructio