Presentation Information
[J-P-27]The origin and features of the stone material as the historical buildings stone, near the Otaru Canal in the Otaru city, Hokkaido, Japan, especially, on the Otaru soft stone and the Sapporo soft stone
*Hokkaido Ryukokugakuen Otaru Futaba High School Science Club1 (1. Hokkaido Ryukokugakuen Otaru Futaba High School Science Club)