Chart correction 1594 — chart 4220
Chart 4220 [ previous update 1437/23 ] SAD69 DATUM Insert submarine cable, É, joining: 18° 28´·3S., 70° 32´·3W. 18° 27´·6S., 70° 30´·6W. 18° 25´·4S., 70° 24´·9W. 18° 25´·4S., 70° 21´·3W. 18° 26´·9S., 70° 18´·3W. and 20° 17´·4S., 70° 14´·6W. 20° 16´·7S., 70° 07´·8W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.