Chart correction 2/21 — chart 54340

54340 8Ed. 7/27/91 LAST NM 49/20 2/21 Substitute Explosives dumping ground symbol [N23.1] (PA) for foul ground symbol 37°55.5′N 23°23.1′E (9(133)20 Athens)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 7/27/91

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