1
Published: 1979
Superior document: Sakata chiiki no chishitsu [Textbd.]
2
Published: 1984
Superior document: Tsuruoka chiiki no chishitsu [Karte]
3
Published: 1976
Superior document: Ugo Wada chiiki no chishitsu [Karte]
4
Published: 1976
Superior document: Ugo Wada chiiki no chishitsu [Textbd.]
5
Published: 1984
Superior document: Tsuruoka chiiki no chishitsu [Textbd.]
6
Published: 1984
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 64
7
Published: 1979
Superior document: Sakata chiiki no chishitsu [Karte]
8
Published: 1979
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 55
9
Published: 1976
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 19