The Mine Safety and Health Administration (MSHA) reports that, on March 22, 2016, a 42-year old lead man with six years of mining experience was fatally injured at a surface limestone mine when he was struck by fly rock from blasting operations. The lead man was parked in his pickup truck at a location approximately 1,200 feet from the blast area to prevent others from accessing the blasting site. – (Source: Aggregates Manager)