Exeter and Its Region
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... valley a reconstructed valley stage grades to a level of 686–690 feet O.D. and thus corresponds to the marine platform recorded elsewhere . Any marine deposits which formerly occurred on this platform have been removed , but it has been ...
... valley floors and many streams , on the flanks of the plateau of east Devon for example , are still removing the head which infilled the valley during the last cold phase . In some cases dry valleys persist in the present landscape ...
... valley - sides would have gentle slopes within the capacity of the ox - drawn medieval ploughs ; the convex upper valley - side slope would be wooded ; above the woodland would exist the pasture and rough grazings . In an idealized ...