1 - 25 of 3
| Title | Date | Type | ||
|---|---|---|---|---|
| 1 |
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Comparison of the cyclone and the horizontal elutriator for sampling respirable dust in a Utah coal mine | 1982-04 | Text |
| 2 |
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Study of various coal mines in Utah, Colorado, and Wyoming | 1950-05 | Text |
| 3 |
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Time studies in underground coal mining | 1964-06 | Text |
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