Chart correction 40/21 — chart 53279
53279 4Ed. 6/17/06 LAST NM 31/21 40/21 Delete Purple dashed-line circle and legend “Unexploded ordnance” in vicinity 41°10′36.2″N 9°27′24.2″E (17(2)21 Genova)
Source: NGA U.S. Notice to Mariners · edition: 4Ed. 6/17/06
Reference information — always verify against official Notices to Mariners before navigation.