  CL579/61--OBSTR REPORTED 260DEG. 1100YDS FROM CUPOLA, TREASURE ì
ISLAND, NM20/61 ISSUED.
  CL716/76--CAS; WK LOCATED BY ECHOSOUNDER AND WIRE SWEEP ì
INVESTIGATION. ECHOSOUNDER LEAST DEPTH OF 68.5FT AND A ì
LEADLINE/DIVER LEAST DEPTH OF 69.2FT BOTH