Stratigraphy of the Silurian and Old Red Sandstone of the Cennen Valley and adjacent areas, south east Dyfed, Wales /
Squirrell, Hew Crawford.
White, Dennis Edward.
Harrison, Ronald Keith.
London H.M.S.O.
1978
English text, French and German summaries. - Maps (2 fold. sheets) in pocket
Bibliography: p.44-45
Geology, Stratigraphic
Geology
Geology, Stratigraphic
Geology