Tunneling and underground mining drills United States, Houston, Texas
Tunneling and underground mining drills United States, Butte, Montana
Tunneling and underground mining drills United States, SLC, Utah
Tunneling and underground mining drills 2016 United States, Fowlerville, Michigan
Tunneling and underground mining drills 1991 United States, SLC, Utah
Tunneling and underground mining drills 2002 United States, Weldon Spring, Missouri
Tunneling and underground mining drills 1994 4,078 h United States, SLC, Utah
Tunneling and underground mining drills 2015 United States, SLC, Utah
Tunneling and underground mining drills 2011 United States, SLC, Utah
Tunneling and underground mining drills 2005 6,876 h United States, Butte, Montana
Tunneling and underground mining drills 2010 United States, SLC, Utah