Other drilling equipment United States, Gillette, Wyoming
Surface drill rigs United States, Gillette, Wyoming
Other drilling equipment 2002 United States, Gillette, Wyoming
Surface drill rigs 2006 United States, Gillette, Wyoming
Other drilling equipment 2012 United States, Gillette, Wyoming
Surface drill rigs 2011 United States, Gillette, Wyoming
Other drilling equipment 2011 United States, Gillette, Wyoming