Heavy Drills 2006 5,452 h United States, Charleston, West Virginia
Heavy Drills 2022 2 h United States, Winchester, Virginia
Heavy Drills 2022 3 h United States, Winchester, Virginia
Heavy Drills 2015 1,213 h United States, Brainerd, Minnesota
Heavy Drills 1997 2,358 h Canada, Martensville, Saskatchewan
Heavy Drills 1965 Canada, Lethbridge, Alberta