- 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 bituminous coal mining, one who examines mine cars of coal for impurities, such as slate, rock, and dirt, by the courthouse system (selecting cars at random for examination). Rejects, on basis of inspection, any group or lot of cars containing too much impurity.
Industry:Mining
In bituminous coal mining, one who excavates horseback (banks or ridges of dirt or rock in the coal seam) in a strip mine with a power shovel.
Industry:Mining
In bituminous coal mining, one who extracts coal from seams by a specialized method known as longwall mining. In this method, all coal is extracted as the work progresses, and the roof caves behind the working face.
Industry:Mining
In bituminous coal mining, one who has charge of and rides trips (trains) of cars hauled in and out of the mine along the main cable haulageway.
Industry:Mining
In bituminous coal mining, one who hauls small cars of slack (fine coal) from tipple to boiler room of power plant at mine to maintain fuel supply.
Industry:Mining
In bituminous coal mining, one who inspects and checks portions of a mine that have been leased to workers to see that the terms of lease, such as mining within specified limits, safety precautions, and production rate, are duly observed.
Industry:Mining
In bituminous coal mining, one who is engaged in driving a drift, a horizontal passageway underground following the coal vein in a mine.
Industry:Mining
In bituminous coal mining, one who is paid a certain rate per ton of car of coal mined, and employs one or more loaders whom the loader pays out of personal earnings.
Industry:Mining
In bituminous coal mining, one who maintains and operates a crab (electric motor equipped with a drum and haulage cable mounted on a small truck) to pull loaded mine cars from working places to haulageways in the mine.
Industry:Mining
In bituminous coal mining, one who only picks out seam partings (layers of rock) in the coal working face prior to blasting, using a long-handled pick.
Industry:Mining
