NZ5035 : The former site of Steetley MagnesiteNZ5035 : Steetley Magnesite ChimneyThe chimney is/was also visible out at sea, as it is mentioned as a principal landmark for passing shipping in Admiralty Pilot NP54 (2003) at 54:42.5N, 1:12.8W).
'Visitors' have been known to climb to its top since the works were abandoned. See photos at
http://www.28dayslater.co.uk/forums/showthread.php?t=21949- - but only those who are immune to vertigo!