2008-2009 Mining Magazine: LatchFree - 4/09 Modern Machine Shop: CAM - 11/08 International Longwall News - 10/08 MINExpo (research paper) - 9/08 World Coal: A Further Austr... - 7/08 World Coal: An Australian... - 5/08 Longwall Mining in Medium Seams Metals & Mining: Gearlessly... - 1/08 Metals & Mining: Demand... - 1/08 Washington Post: Coal Article - 3/08 China Coal: Zhungeer - 2/08

2003-2007 Coal Leader (Article) - 7/07 Mineria Pan-America - 9/06 Railroad Model Crafts... - 5/06 Railroad Model Crafts... - 4/06 Syncrude Newsletter - 3/06 Coal News - 11/05 World Coal - 4/04 CIM Bulletin - 9/03 Technical Paper - 7/03 Engineered Casting... - 2003