Chart correction N39/21 — chart 18426
18426 3Ed. 11/15/19 LAST NM N33/21 N39/21 Add Buoy W Or, pillar, Fl Y with legend “Priv” 49°16′55.3″N 123°08′41.4″W Buoy W Or, pillar, Fl Y with legend “Priv” 49°16′50.3″N 123°08′50.7″W (7/21 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 3Ed. 11/15/19
Reference information — always verify against official Notices to Mariners before navigation.