Surface drill rigs 2004 United States, Northumberland, Pennsylvania
Surface drill rigs 2006 United States, Northumberland, Pennsylvania
Surface drill rigs 1993 United States, Green Bay, Wisconsin
Surface drill rigs 2007 United States, Louisville, Kentucky
Surface drill rigs 2015 United States, Louisville, Kentucky
Surface drill rigs 2020 United States, Louisville, Kentucky
Surface drill rigs 2005 United States, Louisville, Kentucky
Surface drill rigs 2020 2,295 h United States, Louisville, Kentucky
Surface drill rigs 2006 United States, Louisville, Kentucky
Surface drill rigs 1986 9,000 h United States, Ludlow, Massachusetts
Surface drill rigs 1990 1,800 h United States, Pittston, Pennsylvania
Surface drill rigs 1996 10,864 h United States, Augusta, Maine
Surface drill rigs 1998 4,656 h United States, Augusta, Maine
Surface drill rigs 2012 United States, Louisville, Kentucky
Surface drill rigs 1998 United States, Louisville, Kentucky
Surface drill rigs 2011 United States, Louisville, Kentucky
Surface drill rigs 1987 United States, Louisville, Kentucky