1
2
3
Published: 1992
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Niigata (7) 64
4
Published: 1981
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Niigata (7) 75
5
Published: 1981
Superior document: Echigo Yuzawa chiiki no chishitsu [Textbd.]
6
Published: 1981
Superior document: Echigo Yuzawa chiiki no chishitsu [Karte]