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CHEMINEE COLLECTRICE [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 1984-03-14

English

Subject field(s)
  • Mining Operations
OBS

This is a short raise driven from a haulage level, which is belled out at the top to direct broken ore to the chute or drawpoint established at the level. A series of boxholes may be connected together at their tops to form a continuous undercut of an area to be mixed and allow intimate control of broken ore removed from the stope.

French

Domaine(s)
  • Exploitation minière
OBS

Méthodes d'exploitation par chambres foudroyées (...) a) Les travaux préparatoires (...) comprennent les creusements successifs suivants: (...) des cheminées collectrices issues de cette voie de roulage (...)

Spanish

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