Chart correction 2657* — chart 3566

Chart 3566 [ previous update 1908/21 ] UNDETERMINED DATUM Insert depth, 31, enclosed by 100fm approximate contour 64° 30´·94S., 61° 53´·25W. Wk32/23 II 2.27

Source: UKHO Admiralty Notices to Mariners

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