Chart correction N28/21 — chart 17411

17411 2Ed. 5/6/11 LAST NM N27/21 N28/21 Substitute Depth 9.6 meters enclosed by depth contour (10-meter) for depth 31 meters 53°53.1′N 133°12.4′W Add Depth 6.8 meters and enclosing depth contour (10-meter) centered 53°52.1′N 133°10.9′W Depth 9.1 meters enclosed by depth contour (10-meter) centered 53°53.5′N 133°12.6′W (10/18 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 5/6/11

Reference information — always verify against official Notices to Mariners before navigation.