H11551(2007)--MBES least depth on unknown obstruction standing ~3m above seabed with a least depth of ~ 6.4m (3fm 3.13ft). Survey Position: 47° 22' 29.2" N, 122° 27' 34.3" W, DtoN was not charted but replaced by a shoaler obstruction. Entered by RES 5/4/