Chart correction 33/20 — chart 54360

54360 12Ed. 9/22/90 LAST NM 22/20 33/20 Add “Spoil Ground” area [N62.1] bound by dashed line joining 40°32.3′N 25°59.1′E 40°33.1′N 26°00.1′E 40°32.0′N 26°01.7′E 40°31.2′N 26°00.7′E (27(79)20 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 12Ed. 9/22/90

Reference information — always verify against official Notices to Mariners before navigation.