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Gill, Mike & Squirrell, Mike; NMRS (2014); British Mining 97 - Malham Mines, The; ISBN 0901450 7 07; pp.27.
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Rieuwerts, J.H. (1980); PDMHS (Peak District Mines Historical Society) 07-5 - Earliest Lead-Mine Soughs in Derbyshire, The; 74 pages (241-314)
