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A box of rock core samples obtained from a diamond core drilling rig. Photo from , contributed under GNU licensing on June 5, 2006.
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|current||11:29, 14 October 2013||2,020 × 1,515 (227 KB)||Mbennett||A box of rock core samples obtained from a diamond core drilling rig. Photo from [http://en.wikipedia.org/wiki/Core_sample], contributed under GNU licensing on June 5, 2006.|
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