Chart correction 09/22 — chart 18448
★18448 36Ed. 12/01/15 LAST NM 21/21 09/22 Substitute Light "1" Fl G 4s 20ft 4M for buoy "1" 47°05′30″N 122°55′30″W (2/22 CG13)
Source: NGA U.S. Notice to Mariners · edition: 36Ed. 12/01/15
Reference information — always verify against official Notices to Mariners before navigation.