Strategic mineral supplies / by G.A. Roush ... Roush, G. A. (Gar A.), 1883- Mines and mineral resources. War Economic aspects. TN23 .R7 548 ROS "The series of articles that appeared in the Military engineer, on which the body of this book is based, was awarded the Toulmin Medal for 1938 by the Society of American Military Engineers." Includes Index. Bibliography: p. 11-14. New York, London : McGraw-Hill Book Company, inc., c1939. c1939. 1939 Text xvii, 485 p. : eng