Pwll Du Tunnel (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pwll Du Tunnel" in English language version.

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2welshmines.org

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2books.google.com

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2coflein.gov.uk

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1secret-bottletop.com

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1visitblaenavon.co.uk

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books.google.com

Newman 2000, p. 126. Newman, John (1 March 2000), Gwent/Monmouthshire, Yale University Press, ISBN 978-0-300-09630-9, retrieved 13 April 2016
Hughes 1990, p. 330. Hughes, Stephen (1990), The Archaeology of an Early Railway System: The Brecon Forest Tramroads, Royal Commission on Ancient and Historical Monuments in Wales, ISBN 978-1-871184-05-1, retrieved 13 April 2016

coflein.gov.uk

map.coflein.gov.uk

Hill's Tramroad: Pwll Du Tunnel – Coflein. "Hill's Tramroad: Pwll Du Tunnel", Coflein, Royal Commission on the Ancient and Historical Monuments of Wales, retrieved 13 April 2016
Dyne Steels's Incline – Coflein. "Dyne Steels's Incline", Coflein, Royal Commission on the Ancient and Historical Monuments of Wales, retrieved 13 April 2016

ggat.org.uk

HLCA 011 Blorenge and Gilwern Hill. HLCA 011 Blorenge and Gilwern HillHistoric Landscape Characterisation, Glamorgan-Gwent Archaeological Trust, retrieved 12 April 2016

secret-bottletop.com

Gardener 2001. Gardener, Clive (2001), "The Tunnel History & Operation", Ghosts of Pwll Du, retrieved 12 April 2016

staffs.ac.uk

fcet.staffs.ac.uk

Wilcock 2007. Wilcock, John (2 October 2007), COST A27 cultural parks and cultural landscapes: Blaenavon, COST A27 Understanding pre-industrial structures in rural and mining landscapes, retrieved 13 April 2016

visitblaenavon.co.uk

Thomas Hill’s Tram Road – Visit Blaenavon. "Thomas Hill's Tram Road" (PDF), Visit Blaenavon, retrieved 12 April 2016

welshmines.org

Seabourne 1999, p. 7. Seabourne, Dave (22 July 1999), "Work starts to open up old tramroad" (PDF), Abergavenny Chronicle, retrieved 13 April 2016 – via Welsh Mines Society Newsletter November 1999
Seabourne 1999, p. 6. Seabourne, Dave (22 July 1999), "Work starts to open up old tramroad" (PDF), Abergavenny Chronicle, retrieved 13 April 2016 – via Welsh Mines Society Newsletter November 1999