Chart correction 2938 — chart 4117
Chart 4117 [ previous update 1481/25 ] WGS84 DATUM Insert depth, 61 (a) 22° 16´·234N., 114° 14´·685E. Delete depth, 68 , close S of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.