. "1948Z"^^ . . . . "Sylvanus Griswold Morley (June 7, 1883 \u2013 September 2, 1948) was an American archaeologist, epigrapher, and Mayanist scholar who made significant contributions toward the study of the pre-Columbian Maya civilization in the early 20th century.Morley made extensive excavations of the Maya site of Chichen Itza that he directed on behalf of the Carnegie Institution."@en . "Morley, Sylvanus"@en . . "1883Z"^^ . . "Sylvanus Griswold Morley"@en . . . . "Morley, Sylvanus Griswold"@en . . . . . . "1883-06-07Z"^^ . "1948-09-02Z"^^ . "Americanarchaeologist,epigrapher, andMayanistscholar" .