Soils in Dyfed = Priddoedd yn Nyfed
Rudeforth, C. C.(Colin Charles)
Harpenden Soil Survey of Great Britain (England and Wales),
1974
Book (viii,145p,fold leaf,[2] leaves of plates) and 2 fold. sheets (col. maps) in plastic envelope. - Also available without maps
Bibliography: p.130-131. - Includes index
ISBN 0-901128-90-2 Without maps : £0.50
Soils