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Yorkshire Main Colliery was a coal mine situated within the village of Edlington, south west of Doncaster, South Yorkshire, England. ==History== The colliery was created by the Staveley Coal and Iron Company, which bought land in Edlington and leased the right to exploit the coal reserves under this and adjoining land from the Battie-Wrightson of Cusworth estate in several transactions in 1909 and 1910. William Wrightson of Cusworth had acquired the Edlington estate in 1803 from the Molesworth family, which had owned it since the late seventeenth century.〔(【引用サイトリンク】title=Edlington (Yorkshire) Land and Development Company Ltd. And its Successor, Deeds and Associated Papers. )〕 Two shafts were sunk in 1909 and 1910. The new colliery, originally known as "Edlington Main" had a name change in September 1911 and became "Yorkshire Main". It reached the Barnsley seam at a depth of 905 yards in July 1911, however this was on a fault. The main seam was relocated in October 1912. The Colliery first produced a million tons of coal in 1923 and in 1939 it achieved a record output of 1,138,512 tons. Extraction of the Dunsil seam, about 18 yards lower, began in the 1950s, and the Swallow Wood seam in the 1970s. Plans had also been made to open up the Parkgate seam, but these were abandoned; the mine was closed in 1985. In the 1970s work started on a new seam, the ''Swallow Wood Seam'', with and area of about . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Yorkshire Main Colliery」の詳細全文を読む スポンサード リンク
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