1
Published: 1967
Superior document: Wakayanagi chiiki no chishitsu [Karte]
2
Published: 1967
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 69
3
Published: 1967
Superior document: Wakayanagi chiiki no chishitsu [Textbd.]
4
Published: 1969
Publisher: 地質調査所 / Chishitsu Chōsa sho
Superior document: Chiiki chishitsu kenkyū hōkōku : Akita (6) 78
5
Published: 1969
Superior document: Wakuya chiiki no chishitsu [Karte]
6
Published: 1969
Superior document: Wakuya chiiki no chishitsu [Textbd.]