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• Rock-bolt anchorage in tertiary-gravel material :Badger Hill, California
• Rock damage from small charge blasting in granite
• Effects of specimen radius on the stress state near a roof bolt anchor :a finite element determination
• Temperature investigations on resin-anchored bolts
• Roof rock structures and related roof support problems in the Pittsburgh coalbeds of southwestern Pennsylvania
• Longer-than-seam-height drill development program