Chart correction 1863 — chart 4508
Chart 4508 (INT 508) [ previous update 1777/25 ] WGS84 DATUM Replace depth, 2, with ² 3° 53´·6N., 108° 29´·9E. Wk18/25 II 2.26
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.