Chart correction N41/20 — chart 18461
18461 1Ed. 7/1/05 LAST NM N11/20 N41/20 Delete Spoil ground area in vicinity 48°41′02″N 123°16′38″W (7/20 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 7/1/05
Reference information — always verify against official Notices to Mariners before navigation.