Surface drill rigs 1998 United States, Augusta, Maine7d
Surface drill rigs 1996 10,000 h United States, Bangor, Maine
Surface drill rigs 2005 4,000 h United States, Easthampton, Massachusetts
Surface drill rigs 2017 8,800 h United States, Ludlow, Massachusetts
Surface drill rigs 2011 10,300 h United States, Ludlow, Massachusetts
Surface drill rigs 2004 United States, Easthampton, Massachusetts
Surface drill rigs 2018 5,750 h United States, Cornell, Wisconsin
Surface drill rigs 1986 9,000 h United States, Ludlow, Massachusetts
Surface drill rigs 2014 10,800 h United States, Ludlow, Massachusetts
Surface drill rigs 2011 3,800 h United States, Ludlow, Massachusetts
Surface drill rigs 2004 3,626 h United States, New Boston, New Hampshire
Surface drill rigs 2018 5,600 h United States, Ludlow, Massachusetts
Surface drill rigs 2014 1,500 h United States, SanAntonio, Texas
Surface drill rigs 2016 2,000 h United States, Sacramento, California
Surface drill rigs 2015 5,000 h United States, Easthampton, Massachusetts
Surface drill rigs 2017 United States, Ruckersville, Virginia7d
Surface drill rigs 2018 3,100 h United States, Ludlow, Massachusetts
Surface drill rigs 2016 5,600 h United States, Augusta, Maine
Surface drill rigs 2018 8,601 h United States, Cornell, Wisconsin
Surface drill rigs 2005 3,000 h United States, Ludlow, Massachusetts