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Combined display of all available logs of WebRef.org. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

Logs
  • 17:19, 5 May 2020 Webref talk contribs created page Auger mining (Created page with "A mining method often used by strip-mine operators where the overburden is too thick to be removed economically. Large-diameter, spaced holes are drilled up to 200 ft (61 m) i...")


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