outstroke mining
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mining by outstroke — The hoisting or removal of ore from a mine through a shaft or opening in an adjoining mine. Speck v Cottonwood Coal Co. (CA9 Mont) 116 F2d 489 … Ballentine's law dictionary
mining by outstroke — The hoisting or removal of ore from a mine through a shaft or opening in an adjoining mine. Speck v Cottonwood Coal Co. (CA9 Mont) 116 F2d 489 … Ballentine's law dictionary