大平遺跡発掘調查報告書
Subtitle: Chiba-ken Kōzaki-machi
By: [henshū Oh̄ira Iseki Chōsakai ; Sanbu Kōkogaku Kenkyūjo]
Publisher: Kōzaki-machi Kyōiku Iinkai; Oh̄ira Iseki Chōsakai; Sanbu Kōkogaku Kenkyj̄o
Published: 1987
Place of publication: Chiba-ken Kōzaki-machi
Language: jpn
Number of pages: 120
Subjects: Antiquities
Other titles: Ōhira iseki hakkutsu chōsa hōkokusho; Ohhira site