- 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 anthracite coal mining and bituminous coal mining, a laborer who assists a machine loader in loading coal into cars.
Industry:Mining
In anthracite coal mining, a person who is paid at a certain rate per ton of coal mined.
Industry:Mining
In anthracite coal mining, one who contracts to mine rock, as distinguished from coal, at a certain price per ton or footage of advance.
Industry:Mining
In anthracite coal mining, one who drives a tunnel in rock from one coal seam to another or through a fault (the movement of the earth having separated a once continuous seam into two sections).
Industry:Mining
In anthracite coal mining, one who is required to serve a specified number of years before being termed a first-class miner.
Industry:Mining
In anthracite coal mining, one who operates a hoist to raise loaded mine cars from the surface of a mine to the top of the breaker, where the coal is dumped, crushed, and prepared for market.
Industry:Mining
In anthracite coal mining, one who resets timbers, shovels up falls of slate, rock, or dirt, and keeps in general repair the airways by which mine air returns to the surface.
Industry:Mining
In any continuous process, samples taken often enough (whether by hand or mechanically) so that the operation process may be guided by the samples and weights of the materials involved.
Industry:Mining
In any series or sequence of chemical reactions used to leach a product from its ore, the slowest in the chain.
Industry:Mining
In any system of rope haulage, the rope that is used to pull the loaded transportation device toward the discharge point. In scraper loader work, the headrope pulls the loaded scoop from the face to the dumping point.
Industry:Mining
