 HISTORY
  NM52/17-- SCHOONER OR BARGE ABOUT 50 FT. LONG WITH 20 FT. BEAMì
SUNK IN LAT 37-03-03N, LONG 75-45-54W; REPORTED BEING 3 FT. ABOVE WATER.
  H4193/21--
  H5987/35WD-- ITEM 7; CLEARED BY 33 FT. EFFECTIVE DEPTH.
  H9871/76WD-- AREA SWEPT TO 4