Chart correction 1892 — chart 1720
Chart 1720 [ previous update 1778/24 ] CGCS 2000 DATUM Delete symbol, Virtual aid to navigation, isolated danger topmark, V- AIS 24° 09´·04N., 118° 00´·68E. 24° 06´·64N., 118° 02´·64E.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.