Chart correction 1897 — chart 4980

Chart 4980 [ previous update 4727/23 ] NAD83 DATUM Delete 20, Subm Buoy 60° 14´·08N., 146° 54´·94W. 12, Subm buoy 60° 14´·20N., 146° 44´·54W.

Source: UKHO Admiralty Notices to Mariners

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