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Published online by Cambridge University Press: 26 May 2015
* For this information I am indebted to Mr Harold Hughes, F.S.A.
1 Victoria County History of Derbyshire, 1905, 1, 142.Google Scholar
2 Similar walls are found to have existed in most ancient inhabited caves. See for instance Proc. Soc. Ant. Scotland, 1909, 43, 246 (cave at Archerfield, Dirleton, East Lothian, occupied in the Iron Age).Google Scholar