Coal-mining. [? f. LG. stack dam.] trans. See quot. 1883. (Chiefly with out.)

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1832.  Ht. Martineau, Hill & Valley, iv. 62. There is much labour in … stacking and loading the mine.

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1883.  Gresley, Gloss. Coal-mining, 234. Stack out, to dam off or shut up the entrance to a goaf by building a wall of stone or coal in front of it.

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