Chart correction 2907 — chart 1256
Chart 1256 [ previous update 2845/23 ] WGS84 DATUM Insert depth, 11 (a) 37° 50´·7N., 121° 06´·5E. Delete depth, 186 , close NE of: (a) above
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.