investigation

Flyrock from Halifax quarry blast hits apartment building
Gravel truck rolls over at Worcester Sand and Gravel in Massachusetts
MSHA Fatality Review Committee determines several fatalities are chargeable to the mining industry
Supervisor killed from explosion at sand and gravel plant
Local police investigate copper wire theft in Oregon quarry
Cemex, Santa Cruz County to study idle Cemex plant
Investigators continue to search for leads in Tennessee rock quarry homicide