Smithsonian Report, 1952. Minakami. Ishikawa, and Yagi 



Plate 1 



1. kumantubo and o-usu dome seen from nis1kohan before the present 



Activity 



2. SYOWA SlNZAN AND O-USU DOME SEEN FROM NlSIKOHAN AFTER THE COMPLE- 

 TION of the New Mountain 



