Chart correction N52/21 — chart 18461

18461 1Ed. 07/01/05 LAST NM N22/21 N52/21 Delete Depth 4.6 meters 48°38′20″N 123°19′14″W Substitute Depth 1.8 meters for depth 2.4 meters 48°38′44″N 123°20′16″W and extend depth contour (2-meter) SW to enclose Add Depth 1 meter enclosed by depth contour (2-meter) centered 48°38′18″N 123°19′14″W (10/21 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 07/01/05

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