 | Thomas Crofton Croker - 1824 - 442 ページ
...this very richness was the ultimate cause of its destruction, as several small veins of pure oxyde of copper split off from the main load and ran towards...mine in such an overwhelming degree that an engine of thirty horse power could make no sensible impression on the inundation ; and thus a forcible stop was... | |
 | Thomas Crofton Croker - 1824 - 448 ページ
...this very richness was the ultimate cause of its destruction, as several small veins of pure oxyde of copper split off from the main load and ran towards...mine in such an overwhelming degree that an engine of thirty horse power could make no sensible impression on the inundation ; and thus a forcible stop was... | |
 | Samuel Carter Hall - 1843 - 266 ページ
...cause of its destruction, as several small veins of pure oxide of copper split off from the main lode, and ran towards the surface. The ore of these veins...in such an overwhelming degree, that an engine of thirty horse power could make no sensible impression on the inundation ; and thus a forcible stop was... | |
 | James Godkin - 1871 - 550 ページ
...as several small veins of pure oxide of copper split off from the main lode, and ran towards the x surface. The ore of these veins was much more valuable...the other, consequently the miners (who were paid by the quality as well as quantity) pursued the smaller veins, so near the surface that the water broke... | |
 | James Godkin - 1873 - 558 ページ
...as several small veins of pure oxide of copper split off from the main lode, and ran towards the x surface. The ore of these veins was much more valuable...the other, consequently the miners (who were paid by the quality as well as quantity) pursued the smaller veins, so near the surface that the water broke... | |
 | David W. Semple - 1879 - 390 ページ
...cause of its destruction, as several small veins of pure oxide of copper split off from the main lode and ran towards the surface. The ore of these veins was much more valuable than the other, consequent!y, the miners, who were paid by the quality as well as the quantity, pursued the smaller... | |
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... and ran towards the surface ; the ore of these veins was much more valuable than the other, consequently the miners (who were paid by quality as well as quantity) pursued the smaller veins so near the surface, that the water broke through into the... 