The Middle Silurian rocks of North Wales.

Bibliographic Details
Main Author:	Boswell, P. G. H. (Percy George Hamnall), 1886-
Format:	Book
Language:	English
Published:	London : Arnold, [1949]
Subjects:	Geology, Stratigraphic > Silurian. Geology > Australia > New South Wales.

Description
Physical Description:	xvi, 448 pages : illustrations, maps (part folded) ; 24 cm.
Bibliography:	Bibliography: pages 171-175.