Chart correction 1857 — chart 1720
Chart 1720 [ previous update 438/25 ] CGCS 2000 DATUM Insert 27Ó, Wk 24° 07´·73N., 118° 21´·85E. depth, 247 24° 07´·44N., 118° 21´·88E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.