Chart correction 49/20 — chart 54430

54430 1Ed. 8/21/93 LAST NM 44/20 49/20 Add “Spoil Ground” area [N62.1] bound by dashed line joining 36°48.6′N 30°42.3′E 36°48.1′N 30°43.5′E 36°46.5′N 30°42.2′E 36°47.1′N 30°41.1′E Spoil ground symbol [N62.1] 36°35.6′N 30°39.3′E (35(107)20 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 1Ed. 8/21/93

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