Chart correction 4339 — chart 3875
Chart 3875 [ previous update 3317/23 ] WGS84 DATUM Insert depth, 72 (a) 21° 01´·40N., 107° 22´·40E. Delete depth, 83 , close N of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.