Chart correction 21/22 — chart 18587

★18587 71Ed. 04/01/11 LAST NM 13/22 21/22 Delete Front range light 43°23′32.1″N 124°12′49.3″W Rear range light 43°23′26.0″N 124°12′47.0″W Note: Range line remains Add Front range light QG 20ft 43°23′32.9″N 124°12′50.1″W Rear range light Iso G 6s 33ft 43°23′26.3″N 124°12′47.3″W (USCG LL)

Source: NGA U.S. Notice to Mariners · edition: 71Ed. 04/01/11

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