Chart correction 1247 — chart 2564
Chart 2564 [ previous update 4912/23 ] NAD83 DATUM Delete GfFl.Y.6s 'C4' 39° 20´·69N., 75° 25´·56W. GfFl.Y.6s 'C3' 39° 20´·43N., 75° 25´·96W. GfFl.Y.6s 'C2' 39° 20´·30N., 75° 26´·21W. GfFl.Y.6s 'C1' 39° 20´·09N., 75° 26´·47W.
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.