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Improvements in the three-component borehole deformation gage and overcoring techniques

Pillar failure analysis and in situ stress determinations at the Fletcher mine near Bunker, Mo.

Published Year

• 1970-1979 (2) *

Subject

• Boring (1)
• Core drilling (1)
• Gages (1)
• Mining engineering (1)
• Pillaring (Mining) (1)
• Rock mechanics (1)
• Strain gages (1)

Author

• Aggson, James R., (2) *
• Bickel, David L., (1)
• Duvall, Wilbur I. (1)
• Hooker, Verne E. (1)
• Horino, Frank G. (1)

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