 Among these branches were four Ross branches, funded with a $100,000 donation from Frederick Ross who was a Denver Real Estate Investor and the Library Commissioner.In the 1990s Denver voters approved a $91.6 million bond issue to add onto the Fisher/Hoyt building; the new structure, designed by the 2012 Driehaus Prize winner Michael Graves and the Denver firm of Klipp Colussy Jenks DuBois, opened in 1995.The seven-story exterior is finished with limestone and pre-cast concrete with copper accents throughout.