Chart correction 4255 — chart 1775

Chart 1775 (Panel A, Powell Island and Washington Strait) [ previous update 2713/22 ] UNDETERMINED DATUM Insert the accompanying block A, centred on: 60° 46´·7S., 45° 06´·0W.

Source: UKHO Admiralty Notices to Mariners

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