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Jukes-Brown, A.J. (1904). The Cretaceous Rocks of Britain. Memoir of the Geological Survey of the United Kingdom. London: HMSO, 326pp. + 5 plates. British Geological Survey.
Reid, Clement. (1890). The Pliocene Deposits of Britain, vol.3 The Upper Chalk. Memoir of the Geological Survey of the United Kingdom. London:. British Geological Survey.