Chart correction N23/21 — chart 22083
22083 7Ed. 7/28/18 LAST NM N21/21 N23/21 Relocate Buoy “No 6” from 1°50′42.4″N 78°44′05.4″W to 1°50′42.2″N 78°44′00.0″W Buoy “No 10” from 1°50′38.4″N 78°43′34.5″W to 1°50′38.5″N 78°43′32.3″W (132/20 Bogota; COL CH 770)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 7/28/18
Reference information — always verify against official Notices to Mariners before navigation.