Chart correction N29/23 — chart 17488
17488 2Ed. 11/11/16 LAST NM N34/20 N29/23 Add Depth 51 fathoms Wk [K26] 51°09′18″N 128°00′54″W (4/23 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 11/11/16
Reference information — always verify against official Notices to Mariners before navigation.