wasted energy / surface coal mining / heavy equipment / mine site / Mine operators / mine operator / mine equipment / less energy / mining / building materials / fuel oil / coal mining / explosive energy / energy / /
Organization
United States Bureau / INDIANA DEPARTMENT OF NATURAL RESOURCES Date / Division of Reclamation / U.S. Bureau / CITIZEN’S GUIDE TO COAL MINE BLASTING IN INDIANA Indiana Department of Natural Resources Division of Reclamation / U.S. Securities and Exchange Commission / Indiana Department of Natural Resources / / /
Position
structural engineer / blasting specialist / Director / inspector / independent contractor / Representative / Director vibrations / /