Bibliographic Details
Main Creator:	Energlyn, Lord (William David Evans), 1912-
Format:	Book
Language:	English
Published / Created:	London : Macdonald and Co., 1973.
Subjects:	Geology.
Notes:	Includes index. Physical description: 128 p. : ill. (chiefly col.), port. ; 31 cm. more
ISBN:	0356046044 :