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Frost heaving in chalk at Saffron Walden

Published online by Cambridge University Press:  30 January 2017

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Abstract

Type
Research Article
Copyright
Copyright © International Glaciological Society 1948

Photograph by W. H. Ward

Fig. 1. Frost heaving in chalk at Saffron Walden, February 1947. The black fissures are solid ice; all the white chalk fragments were originally in close contact with each other. Many fragments have been fractured during the frost

British Railways Photograph Copyright Reserved

Fig. 2. Wind Effects in a Railway Cutting near Barras, Westmorland

Figure 0

Fig. 1. Frost heaving in chalk at Saffron Walden, February 1947. The black fissures are solid ice; all the white chalk fragments were originally in close contact with each other. Many fragments have been fractured during the frost

Photograph by W. H. Ward
Figure 1

Fig. 2. Wind Effects in a Railway Cutting near Barras, Westmorland

British Railways Photograph Copyright Reserved