( n. )
The horizontal distance to which a drift may be carried, either by license of the proprietor of a mine or by the nature of the formation; also, the direction which a vein of ore or other substance takes.
( n. )
The horizontal distance to which a drift may be carried, either by license of the proprietor of a mine or by the nature of the formation; also, the direction which a vein of ore or other substance takes.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012