- barrier pillar
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• барьерный целик• целик, оставляемый между работами соседних рудников
English-Russian dictionary of geology. 2011.
barrier pillar
Смотреть что такое "barrier pillar" в других словарях:
pillar — (n.) early 13c., from O.Fr. piler, from M.L. pilare, from L. pila pillar, stone barrier. Figurative sense of prop or support of an institution or community is first recorded early 14c. Phrase pillar to post is c.1600, originally of tennis, exact… … Etymology dictionary
Room and pillar — (also called bord and pillar) is a mining system in which the mined material is extracted across a horizontal plane while leaving pillars of untouched material to support the roof overburden leaving open areas or rooms underground. It is usually… … Wikipedia
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Crandall Canyon Mine — Coordinates: 39°27′36″N 111°10′04″W / 39.460000°N 111.167639°W / 39.460000; 111.167639 The Crandall Canyon Mine, formerly Genwal … Wikipedia
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