  USGS QUAD ASTORIA;  PIERS APPLIED TO THE 1946 EDITION OF CHART 18521 (6151)
  T10354/1951-57-- PIERS SHOWN IN RUINS, FURTHEST OFFSHORE POINT OF RUINS CHARTED IN POS. 46 11 34.78N, 123 55 31.77 NAD 83.
  FE486/02--OPR-N438-NRB; A VISUAL SEARCH WAS DON