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Some Palæolithic Pits and Periods in Hertfordshire, Etc
Proceedings of the Prehistoric Society of East Anglia
Coming down out of the Chiltern Hills, the River Mimram runs in a comparatively narrow gorge in a S.E. direction, until it joins the Lea near Hertford. The last-named river pursues a parallel course to the westward, as a consequent stream, but on leaving the Chilterns it runs, still S.E., across a wide subsequent valley. The latter stretches, in a gentle curve, from Hertford on the E. to Rickmansworth, south of which place it debouches on the Thames valley. Down the huge subsequent valley icedoi:10.1017/s0958841800023449 fatcat:iwmwjjhp5zgprdk3h5e5a4iycu