1
2
Published: 1993
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Niigata (7) 74
3
4
Published: 1970
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 18
5
Published: 1970
Superior document: Tarō chiiki no chishitsu [Karte]
6
Published: 1970
Superior document: Tarō chiiki no chishitsu [Textbd.]