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单词 mountain mine
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mountain mine
mountain mine n. Obsolete the lower coal measures of a coalfield (see also quot. 1875).
ΚΠ
1854 Jrnl. Soc. Arts 24 Nov. 18/1 The best coke being made from what was called ‘Mountain Mine’.
1855 J. Phillips Man. Geol. 184 The lower coal measures or ‘mountain mine’ group.
1875 E. Hull et al. Geol. Burnley Coalfield 54 There are..several coal-seams in the lower part of the series, known as ‘Mountain Mines’, from the fact of their being found generally amongst the hills.
extracted from mountainn.adj.
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