Chart correction 1562* — chart 3577
Chart 3577 [ previous update 5793/16 ] UNDETERMINED DATUM Replace depth, 23, with depth, 20, enclosed by 20fm contour 67° 36´·91S., 68° 08´·44W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.