Chart correction 34/22 — chart 18449

★18449 21Ed. 11/01/19 LAST NM 25/22 34/22 Add Submarine pipeline (sewer) [L41.1] between 47°34′56.7″N 122°38′21.1″W 47°34′51.9″N 122°38′21.5″W (NOS)

Source: NGA U.S. Notice to Mariners · edition: 21Ed. 11/01/19

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