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Study of quarry costs :trap rock, sandstone, granite

The Wire Saw in slate quarrying

Earth vibrations caused by quarry blasting :progress report 1

Primary crushing :progress report no. 3

Published Year

• 1930-1939 (4) *

Subject

• Quarries and quarrying (4) *
• Blasting (1)
• Earth movements (1)
• Ore-dressing (1)
• Slate (1)

Author

• Thoenen, J. R. (2)
• Bowles, Oliver. (1)
• Sheppard, Mark. (1)
• Windes, Stephen L. (1)

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