Hara iseki
Subtitle: hojō seibi jigyō ni tomonau hakkutsu chōsa
By: [henshū Okayama-ken Mitsu-chō Kyōiku Iinkai]
Series: Mitsu-chō baizō bunkazai hakkutsu chōsa hōkoku -- 3
Publisher: Okayama-ken Mitsu-chō Kyōiku Iinkai
Published: 1988
Place of publication: Okayama-ken Mitsu-gun Mitsu-chō
Language: jpn
Number of pages: 234