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Search U.S. government technical reports digitized or harvested by TRAIL.
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6 results returnedShaft sinking at the Sevier Valley Coal Co. mine
Method of mining a thick coal bed in eastern Utah
Falls of roof and coal in the Book Cliffs and Wasatch Plateau Coal Fields in Utah
A study of falls of roof and coal in mines of Lincoln County, Wyoming
A study of falls of roof and coal in Northern Colorado
A study of falls of roof and coal, Rock Springs Coal District, Sweetwater County, Wyo.
Published Year
Subject
- Mine timbering (4)
- Coal mines and mining--Utah (2)
- Mine roof control (2)
- Coal mines and mining (1)
- Coal mines and mining--Wyoming (1)
- Mine accidents--Colorado (1)
- Mine accidents--Wyoming (1)
- Shaft sinking--Costs (1)
- Shaft sinking--Technique (1)
Author
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