Title | Date | Type | Setname | ||
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1 |
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Spring Canyon--Steel cable in center of track pulls the coal train | 1942 | Image | dha_eftl |
2 |
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Spring Canyon--Looking down canyon towards the tipple | 1942 | Image | dha_eftl |
3 |
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Spring Canyon--Dragging coal car to repair shop | 1942 | Image | dha_eftl |
4 |
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Spring Canyon--Coal train track going up to mine | 1942 | Image | dha_eftl |
5 |
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Case study of underground coal mining productivity in Utah | 1981-12 | Text | ir_etd |