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Reaming of the dry drilled borehole. | by U.S. Ice Drilling
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Reaming of the dry drilled borehole.

Reaming of the dry drilled borehole. The dry drilled borehole is reamed to a larger diameter in order to install/set the borehole casing needed for the wet drilling. Photo credit: Murat Aydin

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Taken on December 22, 2014