Alignment

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  1. The planned direction of a tunnel or other roadway driven irrespective of coal seam or orebody structure; the planned direction of longwall panels or face lines. Nelson
  2. Formation or position in line, or, more properly, in a common vertical plane. Seelye, 2
  3. The laying out of the axis of a tunnel by instrumental work. Stauffer
  4. See: coplaning
  5. In railway or highway surveying, the ground plan, showing the alignment or direction of the route to be followed, as distinguished from a profile, which shows the vertical element. Seelye, 2
  6. The act of laying out or regulating by line; adjusting to a line.
    Source: Dictionary of Mining, Mineral, and Related Terms


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