 Some interesting discoveries were made as restoration work occurred during the 1970s and early 1980s . 51 paintings were found and rescued from behind the Altar of Forgiveness , including works by Juan and Nicolas Rodriguez Juarez , Miguel Cabrera and José de Ibarra . Inside one of the organs , a copy of the nomination of Hernán Cortés as Governor General of New Spain ( <unk> ) was found . Lastly , in the wall of the central arch of the cathedral was found the burial place of Miguel <unk> , the first governor of Veracruz . 
