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Suspension roof support.

Roof bolting in the United States

Roof bolting and dust control

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 bolting in Alabama coal mines and iron-ore mines

Roof-bolt recovery in the middle west

Corrosion of roof bolt steels in Missouri lead and iron mine waters

Anchorage capacities in thick coal roofs

Corrosion of friction rock stabilizer steels in underground coal mine waters


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