  CHARTED ROCK AWASH
  LNM 37/30--    CAPTAIN PAUL P. SLATHER, OF THE HALIBUT SCHOONER LINDY, REPORTS AN UNCHARTED ROCK E. 3/4 S. 10-12 MILES FROM LIGHTHOUSE ROCKS NEAR THE SEMIDI ISLANDS, ALASKA.  THE ROCK WAS VISIBLE ONLY AT LOW WATER AT APPROXIMATE L