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

Economic benefits of systematic roof bolting in Ziegler No. 3 Mine, Bell & Zoller Coal & Mining Co., Williamson County, Ill.,

Economies through roof bolting in an Indiana coal mine

Roof-bolt recovery in the middle west

Published Year

• 1950-1959 (4)

Subject

• Mine roof bolting (4)
• Coal mines and mining--Indiana (1)
• Coal mines and mining--Kentucky--Hopkins County (1)
• Coal mines and mining--Safety measures (1)
• Mine accidents--Illinois (1)
• Mine timbering (1)

Author

• Kelly, L. W. (4) *

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