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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.

Factors affecting strength and stability of wood cribbing :height, configuration, and horizontal displacement

Effect of load rate on wood crib behavior

Published Year

• 1930-1939 (2)
• 1980-1989 (2)

Subject

• Mine roof control (4) *
• Mine timbering (4) *
• Mine accidents--Colorado (1)
• Mine accidents--Wyoming (1)

Author

• Barczak, Thomas M. (2)
• Tomlinson, Herbert. (2)
• Schwemmer, David E. (1)
• Tasillo, Carol L. (1)

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