Pottery vessel unearthed at the Narukawa Right Bank Site

Pottery vessel unearthed at the Seizan Site

Pottery vessel unearthed at the Seizan Site

Pottery vessel unearthed at the Tohgeshita Site

Pottery vessel unearthed at the Seizan Site

Pottery vessel unearthed from the Seizan Site

Pointed-bottom pottery vessel with shell-made patterns unearthed at the Kokuritsu-ryoyojo-ura Site

Clay figurine unearthed from the Ohnakayama 26 Site

Ishie Site: Artifacts unearthed from pit graves (1)

Ishie Site: Artifacts unearthed from pit graves (2)

Archaeological finds unearthed from a pit grave at the Yunosato 4 Site in Hokkaido

Korekawa Site: A lacquered wooden vessel as excavated

Washinoki Stone Circle: Pots unearthed

Lacquered decorative waist sash unearthed from Pit Grave 123 at the Karimba Site

Omori Katsuyama Stone Circle: Pots unearthed

Odai Yamamoto Site: Stone tools unearthed with the earliest known potshards in Japan

Korekawa Site: Pots

Artifacts excavated from the Saibesawa Site

Stone tools excavated from the Tarukishi Site

Ofune Site: Pots

Okhotsk pottery vessel with bear footprint decoration

Woven textile excavated from the old river channel at the Kashiwagigawa 4 Site

Washinoki Stone Circle: Clay objects unearthed

Goshono Site: Pots

Artifacts excavated from the Sumiyoshi-cho Site