Chart correction 48/23 — chart 18440

★18440  31Ed.  04/01/17  LAST  NM  47/23  48/23 Add Buoy "3" G, Fl G 4s   47°07.3′N  122°45.0′W (See 46/23) (44/23 CG13)

Source: NGA U.S. Notice to Mariners · edition: 31Ed. 04/01/17

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