Chart correction 1856 — chart 4060

Chart 4060 (INT 60) [ previous update 4650/23 ] WGS84 DATUM Insert depth, 225, and extend 1000m contour SE to enclose 2° 48´·4S., 131° 04´·2E.

Source: UKHO Admiralty Notices to Mariners

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