Hokkaido Archaeological Operations Center

Hokkaido Archaeological Operations Center (北海道立埋蔵文化財センター) opened in Ebetsu, Hokkaidō, Japan in 1999. Its aim is to protect, preserve, and utilize buried cultural properties.

History
In December 2017, researchers from the Hokkaido Archaeological Operations Center announced the discovery of the oldest ancient stone with a human face painted on it (12x13cm), estimating its creation date between 2,500 and 1,000 B.C.

Description
The exhibition hall features two Important Cultural Properties: an earthen Jōmon mask from the Mamachi Site and artefacts excavated from the Bibi 8 Site.

Collection

 * From Chitose City: Stone rods unearthed at the (30 to 70 cm long), animal-shaped clay figure (Bibi-chan), Jomon clay mask
 * 350x80x33cm chiseled monolith
 * Magemono made of Thujopsis, excavated in Yukanboshi