Chart correction 4630 — chart 2849
Chart 2849 (Panel C, Swan Island Basin) [ previous update 3232/26 ] NAD83 DATUM Replace 7Ó+ Obstn with 0&+ Obstn 45° 34´·211N., 122° 43´·313W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.