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Hazards of roof bolting
21 causes of hazards incident to roof bolting; special reference to control of dust from roof drilling; free silica content of roof strata and its relation to airborne dust; allowable dust concentrations applicable to roof drilling.
Hazards of roof bolting
21 causes of hazards incident to roof bolting; special reference to control of dust from roof drilling; free silica content of roof strata and its relation to airborne dust; allowable dust concentrations applicable to roof drilling.
Hazards of roof bolting
Coal Min
Westfield, J. (author) / Anderson, F.G. (author)
Coal Mining ; 29
1952
Article (Journal)
English
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Engineering Index Backfile | 1953
|Engineering Index Backfile | 1952
|Engineering Index Backfile | 1951
|Engineering Index Backfile | 1950
|Engineering Index Backfile | 1957
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