Author | Title | Subject | Date | Publication Type | ||
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1 |
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Koch, Ludwig W. | Time studies in underground coal mining | Coal mines and mining, Utah | 1958-12 | thesis |
2 |
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Rao, Thummala Venkat | Two dimensional stability evaluation of a single entry longwall mining system | Mine safety; Sunnyside Coal Mine, Sunnyside, Utah; Coal mines and mining, Utah | 1974-06 | thesis |