Surface drill rigs 1989 723 h United States, Perris, California7d
Surface drill rigs 2005 10,187 h United States, Chehalis, Washington7d
Surface drill rigs 2007 4,195 h United States, Chehalis, Washington
Surface drill rigs 2008 8,050 h United States, Chehalis, Washington
Surface drill rigs 2010 7,616 h United States, Medford, Minnesota
Surface drill rigs 2011 Canada, Mont-Saint-Hilaire, QC, Quebec
Surface drill rigs 2010 Canada, Mont-Saint-Hilaire, QC, Quebec
Surface drill rigs 2015 7,979 h Canada, Grande Prairie, Alberta
Surface drill rigs 2012 8,590 h Canada, Grande Prairie, Alberta
Surface drill rigs 2011 South Africa
Surface drill rigs 2012 South Africa