Chart correction N36/20 — chart 18437
18437 2Ed. 12/14/12 LAST NM N50/19 N36/20 Add Chartlet A from Subsection I-2 49°17′26.0″N 122°51′42.0″W Chartlet B from Subsection I-2 49°17′38.0″N 122°52′32.0″W (5/20 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 12/14/12
Reference information — always verify against official Notices to Mariners before navigation.