Chart correction 1820 — chart 3457
Chart 3457 [ previous update 479/26 ] NAD83 DATUM Insert depth, 23 40° 41´·691N., 74° 08´·333W. depth, 28, and extend 30ft contour NE to enclose (a) 40° 41´·300N., 74° 09´·560W. Delete depth, 29, close SE of: (a) above Insert depth, 5, and extend 6ft contour W to enclose (b) 40° 41´·037N., 74° 07´·647W. Delete depth, 8, close N of: (b) above Insert depth, 41 (c) 40° 40´·645N., 74° 08´·646W. Delete depth, 50, close NW of: (c) above Insert depth, 2, and extend 6ft contour W to enclose 40° 40´·184N., 74° 08´·043W. depth, 22 (d) 40° 39´·944N., 74° 08´·196W. Delete depth, 26, close NE of: (d) above Insert depth, 21 (e) 40° 39´·818N., 74° 08´·263W. Delete depth, 27, close NE of: (e) above Insert depth, 29 (f) 40° 39´·695N., 74° 08´·366W. Delete depth, 32, close SW of: (f) above Insert depth, 20 (g) 40° 35´·341N., 74° 12´·325W. Delete depth, 23, close S of: (g) above Insert depth, 24 (h) 40° 35´·181N., 74° 12´·531W. Delete depth, 26, close S of: (h) above Insert depth, 5, and extend 6ft contour E to enclose (i) 40° 34´·717N., 74° 12´·651W. Delete depth, 16, close S of: (i) above Replace depth, 40, with depth, 38 40° 41´·165N., 74° 09´·265W. Wk17/26 II 2.54
Source: UKHO Admiralty Notices to Mariners
Reference information — always verify against official Notices to Mariners before navigation.