A cubby hole inset in the side of a haulage passage such
as the main slope or level, for personnel to stand in
safety when coal boxes pass.
A passage in or into the mine used as a foot path.
The official in charge of a mine, surface and underground.
A non-binding bituminous coal with 69-78% fixed carbon
and 22-31% volatile matter.
A non-binding anthracite coal that has 98% or more fixed
carbon, and 2% or less volatile matter.
The mineralogical and structural adjustment of solid rocks
to physical and chemical conditions that have been imposed
at depth below surface.
Technically a workman engaged in extracting coal at the
coal face, but generally used to describe anyone who works
The opening at the surface of any passage into a mine.