It is impossible to produce a work such as this without using material previously researched by others and informal information and assistance from people I’ve come into contact with during the project.
To a certain extent it is invidious to single out one person, but without the work done by Chris Down, the author of The Manganese Mines of North Wales [Down 1980], and his kind permission to allow me to reproduce the plans of the mines and other material from his publication, this website would probably never have been started.
I’ve also had significant help and encouragement from Michael Lewis, who has given me information from his own researches including previously unpublished material; the late Jeremy Wilkinson, who gave me access to his own research notes and correspondence and provided microfilmed copies of the first and second edition 6" county maps; the late George Hall, who let me use his extensive library; and Harold Morris, whose local knowledge of the north-west Wales countryside and its mining history is probably unrivaled.
In addition, acknowledgements and grateful thanks for the information, assistance and encouragement that they’ve given me are due to Steffan ab Owain (Gwynedd Archives Service, Caernarfon), Mel ap Ior Thomas, the late David Black, Martin Briscoe, Angela Broome (Courtney Library, Royal Cornwall Museum), Ivor Brown, Jane Brunning (Denbighshire Record Office), Bob Cannon, Pete Challis, Peter Claughton, Diane Clements (Library and Museum of Freemasonry), Nigel Cliffe, Chris Collins, Roy Coppack, Pam Cope, Tom Cotterell (National Museum Wales), David Craik (Harlech Historical Society), Peter Crew (Snowdonia National Park Authority), Cherry Cronly (South Wales Institute of Engineers), Adrian Crosby (British Geological Survey), Neil Culross, Steven Davies (Flintshire Record Office), Dafydd Davis, Margaret Dunn, the late Geoff Elliott, Elwyn Evans (Gwynedd Library Service, Dolgellau), Neil Fleming (Lindal & Marton Community Website), Geoff Fitton, Angela Gawthrop, Kate Geary (Gwynedd Archaeological Trust), the late Maurice Giffin (Harlech Historical Society), Mike Gill (Northern Mine Research Society), Brian Grimstone, Dafydd Gwyn (Govannon), Barbara Harris (Mining Institute), Alan Holmes, Peter Holmes, Theodore Holtom, John Hopkinson, Gwen Hough (Gwynedd Archives Service, Dolgellau), Simon Hughes, Penny Icke (RCAHMW), Rob Ixer, Angharad Jones (Gwynedd Archives Service, Caernarfon), David James, Anne Jones, Bill Jones, Geraint Jones, Glenys Jones, Neil Jordan (Manchester Central Library), Chris Kelland, John Lancaster, John Latham (National Trust), Patricia Layzell Ward, Ian McNeill, John Mason, Lynne Mayers, Andy Meadows, Carwyn Meredydd (Cambrian News), Bernard Moore, Patricia Moore (RCAHMW), Alasdair Neil, Wynn Owen, Fred Page, Norma Parker (Flintshire Historical Society), Rhian Parry (Adnabod Ardudwy), Frances Perry (Inst. of Materials, Minerals & Mining), Rhion Prichard, Robert Protheroe Jones (National Museum of Wales), Peter Rivington, Dafydd Roberts (Welsh Slate Museum), David Roberts, John Roberts (Gwynedd Archaeological Trust), Teresa Ross, John Ruston, David Seabourne, Janet Simcox (Gwynedd Archives Service, Dolgellau), Bob Smith, Ken Smith, Liz Speake, Nina Steele (Gwynedd Archaeological Trust), Roesmary Sutton, Jon Swain, Glenys Thomas, Mair Thomas (Gwynedd Archives Service, Dolgellau), Tom Thomas, George Twigg, Russell Wear, William Whitehead, Alison Wilkinson, Christopher Williams, Glanfor Williams, the late Hugh Williams, Megan Williams and Iain Wright.
Finally, thanks also to everyone who has taken the trouble to email me with comments or added a link to this site from their own site. It’s very encouraging to know that the work is appreciated.