Kuroshio o watatta kokuyōseki
Subtitle: Mitaka Danma Iseki
By: Ikeya Nobuyuki
Edition: Dai 1-han
Series: Shirīzu "Iseki o manabu" -- 014; Shirīzu "Iseki o manabu" -- 14.
Publisher: Shinsensha
Published: 2005
Place of publication: Tōkyō
Language: jpn
Number of pages: 93
Subjects: Antiquities; Obsidian mines and mining
Other titles: Mitaka Danma Iseki