- Industry: Mining
- Number of terms: 33118
- Number of blossaries: 0
- Company Profile:
The U.S. Bureau of Mines (USBM) was the primary United States Government agency conducting scientific research and disseminating information on the extraction, processing, use, and conservation of mineral resources.
Founded on May 16, 1910, through the Organic Act (Public Law 179), USBM's missions ...
In coal mining, a niche in the rib along a haulage road into which one may step to avoid passing trains. Also known as a manhole.
Industry:Mining
In coal mining, a shot for which a hole has been drilled in a direction selected with reasonable care and filled with powder and tamped with the same degree of care.
Industry:Mining
In coal mining, a shot for which the drill hole is parallel to the face of the coal that is to be broken by it.
Industry:Mining
In coal mining, a term meaning cigars, cigarettes, pipes, and other contrivances for smoking, matches, and mechanical lighters. It is a violation of safety regulations to take 721 contraband below ground or to have contraband in one's possession below ground.
Industry:Mining
In coal mining, a term used to describe the roof of the coal vein when it is very smooth.
Industry:Mining
In coal mining, a worker who uses a hand or power drill to drill holes into the working face of the coal into which explosives are charged and set off to blast down the coal.
Industry:Mining
In coal mining, one who operates a hoist for raising coal to the surface where separate shafts or compartments are used for handling coal and people.
Industry:Mining
In coal mining, pipes made of cast iron or steel for the conveyance of water.
Industry:Mining
In coal mining, removal of part of the roof or floor to increase the height of a roadway. Also spelled canch.
Industry:Mining
In coal mining, steel plate on which tubs are turned from one set of rails to another.
Industry:Mining
