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- State laws relating to coal-mine timbering
- What the coal miners can do to prevent injury from falls of roof
- A study of falls of roof and coal in mines in the number 8 field of eastern Ohio
- A study of falls of roof and coal in mines of Harrison County, West Virginia
- How to prevent death and injury from falls of roof in coal mines
- Timber withdrawing and devices used for this purpose in some coal mines
