Chart correction N30/22 — chart 17440

17440 2Ed. 01/13/17 LAST NM N35/21 N30/22 Delete Depth 7.3 meters 53°59′13.4″N 130°40′18.2″W Add Depth 1.5 meters enclosed by depth contour (2-meter) centered 53°59′12.1″N 130°40′14.5″W (4/22 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 01/13/17

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