Chart correction 52/21 — chart 17420

17420 29Ed. 02/01/13 LAST NM 31/21 52/21 Add Rock awash [K12] 54°05.2′N 132°33.6′W (10/21 Ottawa)

Source: NGA U.S. Notice to Mariners · edition: 29Ed. 02/01/13

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