HISTORY
  H10494/93-- ROCK WITH A ECHO SOUNDER LEAST DEPTH OF 13M (42 FT) WAS LOCATED IN LAT 37 47 08.32N, LONG 122 22 36.27W.
  F00477/01--OPR-L430-NRB; THE DIAMETER OF THE 43-FOOT CONTOUR AT THE TOP OF THE ROCK IS APPROXIMATELY 100 METERS AT ITS GREA