  LNM26/80-- MARYLAND-CHESAPEAKE BAY-UPPER CHESAPEAKE BAY CHANNEL-WRECK; A 33-FOOT CABIN CRUISER HAS BEEN REPORTED SUNK IN APPROXIMATE POSITION LAT. 38-30-15N, LONG. 76-20-20W.  NOTE: THIS POSITION WAS "PEN AND INK" REVISED TO LAT. 38-28-15N, LONG. 76-21