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Use of the churn drill at lime-plant quarries

Rock loading at lime-plant quarries

Quarry problems from the engineer's viewpoint

Drilling and broaching in slate quarries

Published Year

• 1920-1929 (4) *

Subject

• Quarries and quarrying (4) *
• Lime (2)
• Lime industry--United States (2)
• Quarries and quarrying--Equipment and supplies (2)
• Boring (1)
• Broaching (1)
• Lime industry (1)
• Limestone (1)
• Mining engineering (1)
• Quarries and quarrying--Safety measures (1)
• Rock-drills (1)
• Rotary percussion drills (1)
• Slate (1)

Author

• Bowles, Oliver, (4)

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