 HISTORY
  NM49/44-- CALIFORNIA-SAN FRANCISCO BAY APPROACH-WRECK BUOY ESTABLISHED TEMPORARILY; ON NOVEMBER 10, 1944, A TEMPORARY WRECK BUOY, A GREEN, FIRST CLASS CAN, WAS ESTABLISHED IN 73 FEET OF WATER, 13,190 YARDS, 254 DEGS. 30MINS. FROM POINT BONITA