Chart correction N18/22 — chart 54359

54359 3Ed. 08/01/15 LAST NM N17/22 N18/22 Substitute Foul ground symbol [K31.1] for depth 9.5 meters 40°38′06.5″N 22°54′20.2″E Foul ground symbol [K31.1] for depth 9.6 meters 40°38′03.4″N 22°54′20.0″E (GRC CH 311/1)

Source: NGA U.S. Notice to Mariners · edition: 3Ed. 08/01/15

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