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Geotechnology in slate quarry operations

Published Year

• 1980-1989 (1)

Subject

• Ground control (Mining)--Pennsylvania--Pen Argyl Region (1)
• Quarries and quarrying--Pennsylvania--Pen Argyl Region (1)
• Slate--Pennsylvania--Pen Argyl Region (1) *

Author

• Marshall, Thomas E. (1)
• Moebs, Noel N. (1) *
• Sames, Gary P. (1)

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