Chart correction 4945 — chart 591
Chart 591 [ previous update 4722/23 ] NAD83 DATUM Insert depth, 53, and extend 6fm contour SE to enclose (a) 37° 46´·69N., 122° 36´·63W. Delete depth, 62, close NW of: (a) above depth, 45, and associated 6fm contour, close SW of: (a) above Wk51/23 2.43 II
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.