The Capel Curig Volcanic Formation /
Howells, M. F.
The Capel Curig Volcanic Formation / M. F. Howells and B. E. Leveridge. - London: Her Majesty's Stationery Office, 1980. - 23 p. : ill., maps ; 30 cm. - Institute of Geological Sciences : Natural Environment Research Council. 80/6 .
Includes bibliographical references (p. 15-16).
011884184X
Volcanic ash, tuff, etc
552.2
The Capel Curig Volcanic Formation / M. F. Howells and B. E. Leveridge. - London: Her Majesty's Stationery Office, 1980. - 23 p. : ill., maps ; 30 cm. - Institute of Geological Sciences : Natural Environment Research Council. 80/6 .
Includes bibliographical references (p. 15-16).
011884184X
Volcanic ash, tuff, etc
552.2