Iwato iseki
Subtitle: Ōita-ken ōno-gun kiyokawa-mura shozai kyūsekki jidai iseki dai 3-ji hakkutsu chōsa hōkokusho
Publisher: Kiyokawa-mura kyōiku iinkai
Published: 1986
Place of publication: Kiyokawa-mura (Ōita-ken)
Language: jpn
Number of pages: 170