On February 3, 1926, an explosion at Pittsburgh Terminal Coal Corporation Mine No. 4 killed Antonio Apostle, Andy Berlage, Reese T. Bradburn, George Denard, H. M. Ernst, John Geth, Jr., John Geth, Sr., Tony Hern, William Holtzhauser, Louis Kristan, Lawrence Loadman, Mike Lucas, John Luznar, Harry Melani, John Petrovich, Tony Piccolo, John Polinsky, Andrew Smith, George Travis, and Arthur Wells as they worked to extract coal that had rested within the earth for millions of years.