Chart correction N18/20 — chart 62230
62230 4Ed. 12/12/15 LAST NM N11/20 N18/20 Add Depth 774 meters 23°33.1′N 37°11.0′E Depth 138 meters 26°41.0′N 34°02.0′E Depth 56 meters enclosed by depth contour (100-meter) centered 26°52.6′N 34°02.0′E Depth 64 meters enclosed by depth contour (100-meter) centered 26°50.8′N 34°02.3′E (7(163)13 Brest; 51(6563)19 Taunton)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 12/12/15
Reference information — always verify against official Notices to Mariners before navigation.