An open cast mine consisting of near horizontal passages dug into the surface; a mine consisting of one or more near horizontal shafts or…

Mining. A pillar of coal or ore left uncut to support the roof of a mine working. post and stall = pillar and stall n. at pillar, n. compounds 2. Now…

Coal Mining. The longwall method of mining. Cf. long-wall n. adj. at long, adj.1 n.1compounds 4a. Now historical.

(a) the construction of choir stalls; (b) the working of coal in stalls.

(usually attributive or as adj.) designating or relating to a method of mining in which the coal is worked in successive layers across the whole…

Mining. Work for which the miners receive a fixed proportion of the output, or its equivalent value, as their payment.

Mining. (See quot. 1881.) stoop-and-room n. = pillar and stall n. at pillar, n. compounds 2.

Coal Mining. The work of driving headings through stone or rock: cf. stone-heading n. at stone, n. compounds 2a.

(see quot.).

concrete. (See quot. 1883.)