by D.H. Land, with contributions by M.A. Calver and R.K. Harrison

H.M. Stationery Off. 1974 Memoirs of the geological survey of Great Britain England and Wales , Explanation of one-inch geological sheet 15, new ser

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by G.I. Lumsden, W. Tulloch, M.F. Howells, and A. Davies ; Paleontology by R.B. Wilson, M.A. Calver, and J.D.D. Smith ; Petrography by R.W. Elliot, and M.F. Howells

Her Majesty's Stationery Office 1967 Memoirs of the Geological Survey Scotland

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