Chart correction N21/23 — chart 18442
18442 1Ed. 07/01/05 LAST NM N20/23 N21/23 Relocate Anchorage symbol from 48°58′41″N 123°40′55″W to 48°58′32″N 123°41′09″W Substitute Depth 5.4 meters Wk [K26] for radar reflector symbol 48°52′49″N 123°34′22″W Add Buoy Y, pillar, Fl(5) Y with legend "ODAS (Priv)" [Q58] 49°00′25″N 123°08′58″W (2, 3/23 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 07/01/05
Reference information — always verify against official Notices to Mariners before navigation.