Chart correction N34/21 — chart 17440

17440 2Ed. 1/13/17 LAST NM N31/21 N34/21 Substitute Depth 4.1 meters enclosed depth contour (5-meter) for 8.2 meters 54°05′34.2″N 130°23′27.9″W (10/18 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 2Ed. 1/13/17

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