Subject ASC0001enu
The Quarterly journal of the Geological Society of London.
v.43 (1887), Page 465 (1887)
Natural History Museum Library, London
BHL Page 45996718
Keywords
geology Foyaite Red Rock upper mouth of tunnel red rock lower mouth of tunnel left side of tunnel near upper end right side of tunnel near upper end tunnel Pinhalzinho foyaite Tunnels Stones Tunnel