Title | Setname | Type | ||
---|---|---|---|---|
1 |
![]() |
Case study of underground coal mining productivity in Utah | ir_etd | Text |
2 |
![]() |
Comparison of the cyclone and the horizontal elutriator for sampling respirable dust in a Utah coal mine | ir_etd | Text |
3 |
![]() |
Study of various coal mines in Utah, Colorado, and Wyoming | ir_etd | Text |
4 |
![]() |
Time studies in underground coal mining | ir_etd | Text |