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Timbering along the robbing line :factors influencing falls of roof in coal mines

Stop, look and listen! :the roof is going to fall

Square-set system of mining

Timber withdrawing and devices used for this purpose in some coal mines

Successful use of wooden roof bolts in Stony Point Mine, Stony Point Coal Co., Hopkins County, Ky.

Moving longwall shield supports at the York Canyon mine, Raton, N. Mex.

Use of steel sets in underground coal

Published Year

• 1920-1929 (2)
• 1930-1939 (2)
• 1950-1959 (1)
• 1970-1979 (1)
• 1980-1989 (1)

Subject

• Mine timbering (7) *
• Coal mines and mining--Safety measures (2)
• Mining engineering (2)
• Coal mines and mining (1)
• Coal mines and mining--Kentucky--Hopkins County (1)
• Coal mines and mining--New Mexico--Raton (1)
• Ground control (Mining) (1)
• Mine roof bolting (1)

Author

• Paul, J. W. (3)
• Calverley, Joseph Gladstone, (1)
• Gardner, E. D. (1)
• Hay, K. E. (1)
• Kelly, L. W. (1)
• Oitto, Richard H. (1)
• Serbousek, M. O. (1)
• Sikes, William E, (1)
• Stears, J. H. (1)
• Vanderburg, William O. (1)
• Wisecarver, David W., (1)

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