What is the inclination of a vein, fault, or lode from the vertical; a hade; -- called also underlie called?
underlay — (Mining) The inclination of a vein, fault, or lode from the vertical; a hade; -- called also underlie. (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