What is (a) A heap of dressed ore. (b) One of the districts divided by pillars of extra size, into which a mine is laid off in one system of extracting coal called?
panel — (Mining) (a) A heap of dressed ore. (b) One of the districts divided by pillars of extra size, into which a mine is laid off in one system of extracting coal. (Webster's 1913.)
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00