  CL416/50--SPECIAL REPORT ON WRECK NO. 597 "PIG IRON WRECK" (ITEM #63); FOUND WRECK IN LAT 39/21/09.00N, LONG 074/17/10.00W (NAD 27).  A FATHOMETER DEPTH OF 45½ FEET WAS OBTAINED IN GENERAL DEPTHS OF 50 FEET.  THE WRECK APPEARS TO BE SMALL IN EXTENT.  T