Source
R.Fieldhouse & B. Jennings: A History of Richmond and Swaledale: Phillimore Classics 1978 Alan Mills: Mining & Miners in Swaledale & Arkengarthdale 2011. Les Turnbull: History of Lead Mining in NE of England 1975, John Morrison: Lead Mining in the Yorkshire Dales 1999. Images copyright 2016 Beamish Museum). Keith Sweetmore: Out of Court: the Battle for Beldi Hill. British Mining #92, Northern Mine Research Society 2011.C.Hallas (1999): Rural Response to Industrialisation,
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