Author | Title | Subject | Date | Publication Type | ||
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1 |
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Udy, Marvin J. | The extraction of lead from its oxidized ores by leaching | Lead ores; Ore-dressing; Leaching | 1916-05 | thesis |
2 |
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Allen, Glenn L. | Sulfidizing and flotation of oxidized lead ores | Lead ores; flotation | 1916 | thesis |