from The Century Dictionary and Cyclopedia
- n. In coal-mining, the entrance to a mine and the underground roads in the immediate vicinity, whether at the bottom of the pit or at any point in it beneath the surface at which the cages are loaded. Also pit-eye.
Sorry, no etymologies found.
I speak as a former socialist at grass root level, pit-bottom level actually, coal mining community.
But for the moment it holds, and at pit-bottom things just seem a bit leakier than usual.
He has very delicate indicators to tell him how far the cage has got, but it is possible for him to make a mistake, and there have been cases of the cage crashing into the pit-bottom at its very maximum speed.
Access roadways have been driven out towards the hydro-mining areas west of the graben and large underground excavations are being constructed for hydro-mining infrastructure in the southern pit-bottom area.
Over the past six months Pike River staff and contractors have been working in two primary areas underground at pit-bottom, which is situated at the far end of the access tunnel.
Progress was made in 'drill and blast' construction of roadways through the rock graben immediately ahead of pit-bottom during the December quarter.
In-seam drilling continues with the most notable result being the progress made with in-seam drill holes from the northern pit-bottom area to the first hydro-mining panels.