Chart correction N1/21 — chart 54289

54289 9Ed. 3/10/18 LAST NM N41/20 N1/21 Add Explosives dumping ground symbol [N23.1] (PA) 38°13′23″N 21°42′07″E (9(131)20 Athens)

Source: NGA U.S. Notice to Mariners · edition: 9Ed. 3/10/18

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