Difference between revisions of "Back holes"

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(Created page with "In shaft sinking, raising, or drifting, the holes that are shot last. Source: Dictionary of Mining, Mineral, and Related Terms")
 
 
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Source: Dictionary of Mining, Mineral, and Related Terms
 
Source: Dictionary of Mining, Mineral, and Related Terms
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[[Category: Geology]]

Latest revision as of 13:41, 23 June 2021

In shaft sinking, raising, or drifting, the holes that are shot last.

Source: Dictionary of Mining, Mineral, and Related Terms


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