Plots 17 



SOURCE The Minarol Indusrry During 1938, by G A Roulh, 

 McGrow Hill Book Co, 1939 



*lncludes Belgian Congo -*■ N Rhodesio * 5 Afnco 

 ""Figures for Jopon cover 1932-1934 only 



SOURCE. Mmeroli Yearbook 1937 



Conditions of Jopon's' Mining Industry 1935 



Mineral Industry During 1938, Vol 47, 

 Edited by G A Rouih, McGrow Hill 

 Publishing Co 



Note: Stotitlics for leod, zinc, and copper ore 

 for ifflclter and refinery production 



GENERAL HEADQUARTERS 



SUPREME COMMANDER FOR THE ALLIED POWERS 



NATURfiL RESOURCES SECTION 



50 



