Responsible for operating backhoe/hydraulics excavator with hydraulic breaker hammer to break large limestone blocks into riprap.

Job consists of four 10-hour shifts (M-Th from 6 AM to 4:30 PM).

Requirements: - High School Diploma/GED - 21 years of age or older. - Must speak and read the English language. - Must pass Mine Safety and Health Administration (MSHA) mine safety training (to be provided by employer).