Subject ASC0000vao
Wiltshire archaeological and natural history magazine.
v.11=no.31-33 (1868-1869), Page 316 (1869 - 1869)
Natural History Museum Library, London
BHL Page 12542179
Keywords
Geology layers cross-section walls quarry geological layers section rock geology quarry wall minchinhampton ragstone upper lower Rodborough common freestone oolite marl inferior upper lias sand lias sand wall quarry oolite marl Michinhampton