 LexisNexis completed their efforts in late 2006 (covering 1789-1969).LexisNexis rescanned the maps in the set via a partnership with the University of Maryland, College Park.On November 30, 2010 Reed Elsevier the parent company of LexisNexis, completed the sale of the CIS and UPA product lines (which includes the digital Serial Set) to ProQuest.