Chart correction 1913 — chart 820

Chart 820 (INT 1238) [ previous update 1671/24 ] WGS84 DATUM Insert the accompanying block, centred on: 59° 19´·2N., 18° 05´·0E.

Source: UKHO Admiralty Notices to Mariners

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