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Published online by Cambridge University Press: 27 May 2014
page 237 note 1 Evans, P., 1954. ‘Field Meeting in the Vale of St. Albans,’ Proc. Geol. Assoc., vol. 65, 18CrossRefGoogle Scholar.
page 237 note 2 Wills, L. J., 1952. Palaeogeographical AtlasGoogle Scholar. Plate XXI.
page 237 note 3 Wooldridge, S. W., 1953. ‘Some marginal Drainage Features of the Chalky Boulder Clay in Hertfordshire,’ Proc. Geol. Assoc., vol. 64, 208CrossRefGoogle Scholar.
page 237 note 4 Cornwall, I. W., 1946–1947. ‘Humanly-struck Flakes from Gravels in Hertfordshire,’ 4th Annual Report, Univ. of London Inst. of ArchaeologyGoogle Scholar.