first edition Paperback
1953 · Ottawa
by Officers of the Radioactive Resources Division
Ottawa: Edmond Clotier for Canada Department of Mines and Technical Surveys, 1953. Paperback. v, 167p., 4.5x6.5 inches, preface, tables, appendixes, illustrations including a folding color map at rear, 4p. supplement laid-in, very good pocket-size paperback in red cloth over stiff wraps. (Inventory #: 214174)