Chart correction 4221 — chart 1256
Chart 1256 [ previous update New Edition 09/07/2026 ] WGS84 DATUM Delete å Obstn 38° 04´·3N., 122° 22´·9E. Wk37/26 II 2.29
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.