Oshima Coalfield - Oshima Electric Power

...Immigrants settled here in the early Edo period, and the population grew rapidly when coal mining began in 1935. After World War II, the town flourished as a mining town with the development of the Oshima Mining Company, but the collapse of the coal industry led to the closure of the Oshima coalfields in 1970, and many people left the town, causing the population to plummet from its peak of about 18,000. Efforts were made to attract factories, and the Oshima Shipyard was completed in 1975, making shipbuilding the town's main industry. ...

*Some of the terminology used in reference to the "Oshima Coalfield" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…江戸時代初期に移住民が定着し，1935年に炭鉱の採掘が始まって人口が急増した。第2次世界大戦後も大島鉱業所の発展とともに炭鉱町として栄えたが，石炭産業崩壊によって大島炭田は70年に閉山，多くの人が離島し，人口はピーク時の約1万8000人から激減した。工場誘致が進められ，75年に大島造船所が完成し，造船業が町の基幹産業となっている。…

※「大島炭田」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報