SECOND SERIES BULLETIN OF THE VOLCANOLOGICAL SOCIETY OF JAPAN
Online ISSN : 2433-0590
ISSN-L : 0453-4360
Photo 1. Aerial view from the east of a horseshoe-shaped depression and Kengamine central cone in the summit of the younger Hokusan.
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1985 Volume 30 Issue 2 Pages App3-

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© 1985 The Volcanological Society of Japan
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