HISTORY
  Charted rock awash.
  H4711/27--Source for charted rock awash at 47/56.53N, 122/36.67W.
  H8912/66--Items for Future Presurvey Reviews,   A charted rock awash at 47/56.53N, 122/36.67W.
Several rocks, piles, and shoal soundings, which were n