Chart correction 4774 — chart 3687

Chart 3687 [ previous update 2235/26 ] NAD83 DATUM Insert limit of anchorage area, pecked line, joining: (a) 33° 47´·98N., 78° 14´·98W. (b) 33° 47´·98N., 78° 06´·42W. (c) 33° 46´·02N., 78° 06´·42W. (d) 33° 46´·02N., 78° 14´·98W. and (e) (d) above (f) 33° 46´·02N., 78° 17´·23W. (g) 33° 47´·98N., 78° 17´·23W. (h) (a) above legend, ½ 'A' DW, within: (a)-(d) above legend, ½ 'B' Explosives, within: (e)-(h) above depth, 30, enclosed by 30ft contour 33° 43´·39N., 78° 01´·49W.

Source: UKHO Admiralty Notices to Mariners

Reference information — always verify against official Notices to Mariners before navigation.