Chart correction 21/24 — chart 12300
★12300 49Ed. 06/01/12 LAST NM 15/24 21/24 Relocate Buoy from 41°19.8′N 70°54.6′W to 41°20.9′N 70°56.8′W (See 40/23) (18/24 CG1)
Source: NGA U.S. Notice to Mariners · edition: 49Ed. 06/01/12
Reference information — always verify against official Notices to Mariners before navigation.