Chart correction N47/20 — chart 15563
15563 1Ed. 9/28/07 LAST NM N20/08 N47/20 Substitute Depth 8.9 meters, blue tint and enclosing depth contour (10-meter) for 10.5 meters 69°00.5′N 105°50.8′W (3/20 Ottawa)
Source: NGA U.S. Notice to Mariners · edition: 1Ed. 9/28/07
Reference information — always verify against official Notices to Mariners before navigation.