Chart correction N28/21 — chart 17493
17493 1Ed. 3/6/98 LAST NM N19/21 N28/21 Delete Depth 35 meters ODAS 50°50.5′N 127°43.0′W (See N33/20) (5/21 Ottawa) 17528 Ed. 7/01 LAST NM N19/21 N28/21 Delete Depth 35 meters ODAS 50°50′32″N 127°43′00″W (See N33/20) (5/21 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 3/6/98
Reference information — always verify against official Notices to Mariners before navigation.