Kettle Bottom
Miners have given this nickname to a dangerous g petrified plant remains that increases the risk of roof falls in underground coal mines.
black damp
Mixture of carbon dioxide and nitrogen s that can build-up in mines causing poisoning, asphyxiation, and ultimately death if left untreated.
Crib
A roof support of props timbers or ties, laid in alternate cross layers.
Miners Pay
wages are a trifle over $10 a week for six full days
Face
the exposed area of a coal bed.
Man trip
A carrier of miners, to and from the work area.
Methane
A gas produced by bacteria from hydrogen and carbon dioxide which is potentially explosive
Shaft
A primary opening though mine strara used for ventilation.
White damp
carbon monoxide, CO
Roof fall
A coal mine cave-in especially in permanent areas such as entries.
Undercut
using a pick to cut a4 feet so coal can fall after the blast
Pillars
columns of coal. to help hold roof
canaries in the coal mine
An early warning of a serious problem at hand
scrip
miners payment instead of cash
Coal Seam
a bed of coal usually thick enough to be profitably mined
trapper boy
open doors for coal cars
Mule Drivers
gathered the loaded mine cars from the various rooms and delivered empties
Timbers
�Used to prop and hold the roof top in a mines