Chart correction 1733 — chart 4129
Chart 4129 [ previous update 4819/23 ] WGS84 DATUM Insert ¯(98), and extend 10m contour W to enclose 22° 11´·11N., 114° 06´·74E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.