e shaft which supports the hoist rope pulley and often the hoist itself.
Hoist - A drum on which hoisting rope is wound in the engine house, as the cage or skip is raised in the hoisting shaft.
Horseback - A mass of material with a slippery surface in the roof; shaped like a horse's back.
Intake - The passage through which fresh air is drawn or forced into a mine or to a section of a mine.
Lamp - The electric cap lamp worn for visibility.
Outcrop – Ore that appears at or near the surface.
Pillar - An area of mineral left to support the overlying strata in a mine; sometimes left permanently to support surface structures.
Plan - A map showing features such as mine workings or geological structures on a horizontal plane.
Rib - The side of a pillar or the wall of an entry. The solid material on the side of any underground passage. Same as rib pillar.
Shaft - A primary vertical or non-vertical opening through mine strata used for ventilation or drainage and/or for hoisting of personnel or materials; connects the surface with underground workings.
Skip - A car being hoisted from a slope or shaft.
Timber - A collective term for underground wooden supports.
Trip - A train of mine cars.
Working face - Any place in a mine where material is extracted during a mining cycle.