- 行业: 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 ...
A more or less loosely used term applied to the assistant mine foreman in charge of an area, although used in law in some states in lieu of assistant foreman and certified as such.
Industry:Mining
A more or less unflattering term applied to a talkative miner, used much in the same sense as "soapbox orator."
Industry:Mining
A mortar material prepared from finely ground, dead-burned magnesite; suitable for use as a joint material in laying magnesite brick, and for patching or daubing furnace masonry.
Industry:Mining
A mosaic in which aerial photographs or images have been adjusted, oriented, and scaled to horizontal ground control to provide an accurate representation with respect to distances and distortions. It is usually assembled from photographs that have been corrected for tilt and for variations in flight altitude.
Industry:Mining
A motor the same in all respects as a sample motor that has passed certain tests made by the U.S. Mine Safety and Health Administration and installed and used in accordance with the conditions prescribed by the Administration.
Industry:Mining
