Chart correction N33/23 — chart 18426
18426 4Ed. 11/15/19 LAST NM N29/23 N33/23 Add Chartlet A from Subsection I-2 49°18′00.0″N 123°07′00.0″W Chartlet B from Subsection I-2 49°18′00.0″N 123°04′00.0″W Chartlet C from Subsection I-2 49°17′14.6″N 123°04′00.0″W Chartlet D from Subsection I-2 49°18′04.0″N 123°05′00.0″W (3/23 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 11/15/19
Reference information — always verify against official Notices to Mariners before navigation.