Subject ASC0000nna

Wiltshire archaeological and natural history magazine.
v.5=no.13-15 (1858-1859), Page 94 (1859)
Natural History Museum Library, London
BHL Page 13376028

Keywords

ideal section England Wales coal lias england wales geology granite rock stone crystal hypogene cambrian silurian slate sandstone devornian oolite cretaceous era tertiary tertiaty river valley bed Tertiary Cretaceous system Oolitic system rocks map stratigraphy

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