- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Beaver, West Va., 2008
- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Arlington, Va., 2008
- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Beckley, W. Va.?, 2002
- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Washington, D.C., 2008
- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Arlington, Va.?, 2002
- U.S. Dept. of Labor, Mine Safety and Health Administration, National Mine Health and Safety Academy, Beckley, W. Va.?, 2000