Chart correction 46/23 — chart 18421
★18421 53Ed. 03/01/19 LAST NM 40/23 46/23 Substitute Buoy "3" G, can for beacon "3" 48°30′42″N 122°36′05″W (43/23 CG13)
Source: NGA U.S. Notice to Mariners · edition: 53Ed. 03/01/19
Reference information — always verify against official Notices to Mariners before navigation.