Many thanks to everyone who have offered photos including Trish and Chris Seymour, Eric Dewhirst, Chris Fawcett, Andrew Coulsdon, Paul Bobrucki, Ian Brereton, Louise Mallard, Alex Smith, Luc Hermans, Kevin Angel, Julian Thurgood, Graeme Dougal, Andrew Rowland, Douglas Cox, Liam Snell, and Mike Griffiths.
I would like to particularly thank Malcolm Butler, Andrew Tivenan, Gregg Archer, Paul R. Davis and Matthew Emmott who have provided numerous photographs for over 400 of the sites.