1
Published: 1979
Superior document: Taishō chiiki no chishitsu [Textbd.]
2
Published: 1979
Publisher: 地質調査所 / Chishitsu Chōsasho
Superior document: Chiiki chishitsu kenkyū hōkōku : Kushiro (2) 52
3
Published: 1979
Superior document: Taishō chiiki no chishitsu [Karte]