Chart correction 247 — chart 2839
Chart 2839 (Panel B) [ previous update 67/26 ] NAD83 DATUM Insert 2Ó+ Obstn 46° 11´·03N., 123° 08´·01W. 6Ó+ Obstn 46° 09´·22N., 123° 02´·71W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.