core sample (Q1942237)
cylindrical section of a naturally occurring substance, usually obtained by drilling into it with special drills
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aliases drill core
description cylindrical section of a naturally occurring substance, usually obtained by drilling into it with special drills

External Links
(P646) /m/08qgfn
(P1417) technology/core-sampling
(P3827) core-samples
(P6366) 112213829
(P10283) C112213829
C2993393462
(P12596) 28644