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- Person who builds packs or pack walls. See also: pack
- In anthracite and bituminous coal mining, a worker who: (1) fills
worked-out rooms, from which coal has been mined, with rock, slate, or
other waste to prevent caving of walls and roofs; (2) builds rough walls
and columns of loose stone, heavy boards, timber, or coal along haulageways and passageways and in rooms where coal is being mined, to
prevent caving. Also called packer. See also:
pillar man;
timber packer;
waller. DOT
Source:
Dictionary of Mining, Mineral, and Related Terms
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