  L-818/69 -- AN UNCHARTED ROCK WAS REPORTEDLY HIT 300 YARDS OFFSHORE BY A BOAT THAT DRAWS 5.5 FT. THE LOCATION OF THE COLLISION WAS REPORTED TO THE USCGS AS: 40°59'15'' N O72°37'30''. THE USCG SUBSEQUENTLY IDENTIFIED THE UNCHARTED ROCK ON AIR PHOTOS. A