Entrance to Coal Mine

Entrance to Coal Mine

Slide No. 48

These islands are rich in minerals. This is the entrance to one of the coal mines for which the group is noted. Of the five coal fields which are being operated, the largest is that of Yayeyama. The annual production of coal is at present about 7,000 long tons.


(訳注)* long ton: 英トン、大トン(2,240ポンド=1016.1kg)。

前の写真へ       次の写真へ