Braichgoch slate mine (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Braichgoch slate mine" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

books.google.com (Global: 3^rd place; English: 3^rd place)

Naldrett, Peter (7 March 2019). Days Out Underground: 50 subterranean adventures beneath Britain. Bloomsbury Publishing. p. 206. ISBN 978-1-84486-568-0.
Richards, Alun John (1999). The Slate Regions of North and Mid Wales and Their Railways. Gwasg Carreg Gwalch. ISBN 978-0-86381-552-2.