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United States Bureau of Mines
Industri: 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 face advancing toward the rise of a coal seam.
Industry:Mining
A face between end and crosscut.
Industry:Mining
A face in a direction between bord and crosscut.
Industry:Mining
A face or gathering locomotive driven by a power cable connected to trolley wires. The cable winds on a reel attached to the locomotive.
Industry:Mining
A face proceeding toward the dip of the seam.
Industry:Mining
A factor by which the specified horsepower is multiplied to compensate for drive conditions.
Industry:Mining
A factor relating similar blast effects from various size charges of the same explosive at various distances; it is computed by dividing the distance of concern by an exponential root of the explosive quantity detonated per delay.
Industry:Mining
A factor used in the plastic design of steel structures. It is a constant for each particular shape of section.
Industry:Mining
A familiar term under the public land laws meaning exclusive.
Industry:Mining
A fan for creating suction or partial vacuum. An exhaust fan.
Industry:Mining
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