Chart correction 254 — chart 3635
Chart 3635 [ previous update 2327/25 ] WGS84 DATUM Insert depth, 138 (a) 38° 40´·46N., 9° 17´·94W. Delete depth, 177, close N of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.