Chart correction 1784 — chart 3990

Chart 3990 [ previous update 1247/23 ] WGS84 DATUM Insert 3)+Obstns 19° 49´·1N., 105° 57´·1E. drying height, 15 , and extend 0m low water line NE to enclose(a) 19° 48´·3N., 105° 57´·3E. Delete drying height, 06 , close SW of: (a) above Wk21/23 2.26 II

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.