Chart correction 45/21 — chart 18421

★18421 53Ed. 03/01/19 LAST NM 05/21 45/21 Add AIS [S17.2] to buoy "1" 48°22′01″N 123°02′11″W (38/21 CG13)

Source: NGA U.S. Notice to Mariners · edition: 53Ed. 03/01/19

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